Live GMAT classes with Target Test Prep start Nov 1 and Nov 21. First class free.

See classes
Target Test Prep · GMAT

Choose how you want to prepare

Learn live with an expert or move at your own pace. Every option includes the complete TTP study system.

Newsweek Readers’ Choice Awards 2026 winner: Target Test Prep, #1 Test Prep

Target Test Prep was voted #1 Best Test Prep in the 2026 Newsweek Readers’ Choice™ Awards.

★★★★★5.0563 reviews
GMATLiveTeachStarts Nov 1
Josh Braslow, Target Test Prep GMAT expert
LIVE ONLINE CLASSES

Get Ready for GMAT Test Day Faster with Live Online Classes

with Josh Braslow, 20+ years in test prep

Nov 1 · Josh Braslow
Sun · 1:00 to 4:00 PM ET
Nov 22 · Josh Braslow
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes + 6 months of TTP OnDemand
  • Attend the first class for free
  • Every class is recorded, so you never fall behind
View classes & enroll
Limited seats availableTarget Test Prep
EALiveTeachOnDemand5 seats leftStart anytime
EXECUTIVE ASSESSMENT

Target Test Prep EA OnDemand

Self-paced EA prep. Study on your schedule.

Logan Thompson
EXECUTIVE ASSESSMENT

Sep 6 to Dec 6, 2026

with Logan Thompson

165+ EA score guarantee
$05-day trial no automatic billing
Schedule
Sun · 9:30 AM to 12:30 PM ET
Included
40 hours of live online classes plus six months of access to the complete TTP EA OnDemand course.
  • 165+ EA Score Guarantee
  • 4,100+ Quant, Verbal, and Integrated Reasoning practice questions
  • 400+ hours of in-depth video lessons
  • 3,000+ step-by-step video solutions
View EA class & enroll Start free 5-day trial
Limited cohort · enrollment openTrial includes full course accessTarget Test Prep
GMATOnDemandStart anytime
SELF-PACED MASTERCLASS

Target Test Prep GMAT OnDemand

Complete access from day one. Study on your schedule.

715+ score guarantee
$0to start then $127/mo
  • Personalized study plan and analytics
  • Thousands of lessons and practice questions
Start free 5-day trial
Read 563 reviewsTarget Test Prep

Compare the format, schedule, and included access before enrolling. Prices and seat counts shown reflect the supplied offer details.

To attempt at curbing the water

Expert replies
Post new topic Locked
Subscribe topic
Previous Topic Next Topic
Moderator
Posts: 7187
Joined: Thu Sep 07, 2017 4:43 pmFollowed by: 23 members
by BTGmoderatorDC » Thu Jan 25, 2018 5:41 am
To attempt at curbing the water hyacinth, an ornamental plant which was infesting Lake Victoria and was native of the Brazilian rain forest, ecologists are introducing weevils and fungi into the lake's ecosystem.

A. To attempt at curbing the water hyacinth, an ornamental plant which was infesting Lake Victoria and was native of.
B. The attempt at curbing the infesting of Lake Victoria of the water hyacinth, an ornamental plant which is a native to.
C. In an attempt to curb the water hyacinth, an ornamental plant which had been infesting Lake Victoria and had been native to.
D. In an attempt to curb the infestation of Lake Victoria by the water hyacinth, an ornamental plant native to.
E. By attempting to curb Lake Victoria's infestation of the water hyacinth, an ornamental plant native in.

Why A isn't the best option? Can some experts help me?

OA D
Top
Join the discussion
Source: — Sentence Correction |
User avatar
GMAT Instructor
Posts: 15539
Joined: Tue May 25, 2010 12:04 pmFollowed by: 1906 members
Location: New York, NY
Thanked: 13060 times
GMAT Score:790

by GMATGuruNY » Thu Jan 25, 2018 3:05 pm
lheiannie07 wrote:To attempt at curbing the water hyacinth, an ornamental plant which was infesting Lake Victoria and was native of the Brazilian rain forest, ecologists are introducing weevils and fungi into the lake's ecosystem.

A. To attempt at curbing the water hyacinth, an ornamental plant which was infesting Lake Victoria and was native of.
B. The attempt at curbing the infesting of Lake Victoria of the water hyacinth, an ornamental plant which is a native to.
C. In an attempt to curb the water hyacinth, an ornamental plant which had been infesting Lake Victoria and had been native to.
D. In an attempt to curb the infestation of Lake Victoria by the water hyacinth, an ornamental plant native to.
E. By attempting to curb Lake Victoria's infestation of the water hyacinth, an ornamental plant native in.
A and B: attempt at curbing
attempt at + VERBing is unidiomatic.
Eliminate A and B.

The past perfect (had + VERBed) serves to express an action COMPLETED before another past event.
to curb X = to limit the growth of X.
to infest a place = to invade a place in great numbers.
C: In an attempt to curb the water hyacinth, an ornamental plant which had been infesting Lake Victoria
Here, the past perfect verb in red implies that the hyacinth was no longer invading Lake Victoria when ecologists tried to limit the plant's growth.
This sequence is illogical.
Clearly, when ecologists tried to limit the growth of the plant, the invasion was still happening.
Eliminate C.

E: Lake Victoria's infestation of the water hyacinth
This word implies that the LAKE invaded the HYACINTH.
This meaning is nonsensical.
Eliminate E.

The correct answer is D.
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
Followed here and elsewhere by over 1900 test-takers.
I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
My students have been admitted to HBS, CBS, Tuck, Yale, Stern, Fuqua -- a long list of top programs.

As a tutor, I don't simply teach you how I would approach problems.
I unlock the best way for YOU to solve problems.

For more information, please email me (Mitch Hunt) at [email protected].
Student Review #1
Student Review #2
Student Review #3
Top
Join the discussion