-
sandeep bansal
- Newbie | Next Rank: 10 Posts
- Posts: 6
- Joined: Tue Feb 09, 2016 7:51 am
4) The number of acres destroyed by wildfires, which **have become an ongoing threat due to drought and booming population density, have increased** dramatically over the past several years, prompting major concern among local politicians.
A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population
density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased
Why option E is correct over D..?
A. have become an ongoing threat due to drought and booming population density, have increased
B. have become an ongoing threat due to drought and booming population density, have been increasing
C. has become an ongoing threat because of drought and booming population density, has increased
D. have become an ongoing threat due to drought and booming population
density, has increased
E. have become an ongoing threat because of drought and booming population density, has increased
Why option E is correct over D..?

















