Household nuisance

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Household nuisance

by amysky_0205 » Sun Jan 27, 2013 10:53 pm
Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.


A) Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.

B) By the study of the fruit fly, a household nuisance and also a time-honored experimental subject, it was possible for the secrets of how embryos develop to begin to be unraveled by scientists.

C) By studying a household nuisance but a time-honored experimental subject, the fruit fly enabled scientists to begin to unravel the secrets of how embryos develop.

D) By studying the fruit fly, a household nuisance and also a time-honored experimental subject, the secrets of how embryos develop are beginning to be unraveled by scientist.

E) The study of the fruit fly, a household nuisance but a time-honored experimental subject, has enabled scientist to begin to unravel the secrets of how embryos develop.

OA: E

I'm able to narrow down the answer to D and E.

But still don't know why D is wrong.

can someone explain?
thank u!

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by brianlange77 » Mon Jan 28, 2013 6:06 pm
amysky_0205 wrote:Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.


A) Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.

B) By the study of the fruit fly, a household nuisance and also a time-honored experimental subject, it was possible for the secrets of how embryos develop to begin to be unraveled by scientists.

C) By studying a household nuisance but a time-honored experimental subject, the fruit fly enabled scientists to begin to unravel the secrets of how embryos develop.

D) By studying the fruit fly, a household nuisance and also a time-honored experimental subject, the secrets of how embryos develop are beginning to be unraveled by scientist.

E) The study of the fruit fly, a household nuisance but a time-honored experimental subject, has enabled scientist to begin to unravel the secrets of how embryos develop.

OA: E

I'm able to narrow down the answer to D and E.

But still don't know why D is wrong.

can someone explain?
thank u!
Amy,
Can you back and get the original question here -- I'm thinking there are some typos.. at least in D/E. Thanks.
-Brian
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by nisagl750 » Mon Jan 28, 2013 8:02 pm
I prefer E over D because E is more active.

But I'll wait for original question to be posted again (for the typos, if any).

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by amysky_0205 » Tue Jan 29, 2013 4:57 am
brianlange77 wrote:
amysky_0205 wrote:Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.


A) Studying the fruit fly, a household nuisance but a time-honored experimental subject, has enabled the secrets of how embryos develop to begin to be unraveled by scientists.

B) By the study of the fruit fly, a household nuisance and also a time-honored experimental subject, it was possible for the secrets of how embryos develop to begin to be unraveled by scientists.

C) By studying a household nuisance but a time-honored experimental subject, the fruit fly enabled scientists to begin to unravel the secrets of how embryos develop.

D) By studying the fruit fly, a household nuisance and also a time-honored experimental subject, the secrets of how embryos develop are beginning to be unraveled by scientist.

E) The study of the fruit fly, a household nuisance but a time-honored experimental subject, has enabled scientist to begin to unravel the secrets of how embryos develop.

OA: E

I'm able to narrow down the answer to D and E.

But still don't know why D is wrong.

can someone explain?
thank u!
Amy,
Can you back and get the original question here -- I'm thinking there are some typos.. at least in D/E. Thanks.
-Brian
Oh I don't know what the original question is @@.......
i'm sorry!