Solutions
Get detailed explanations to advanced GMAT questions.
Question
Humans have been damaging the environment for centuries by overcutting trees and farming too intensively, and though some protective measures, like the establishment of national forests and wildlife sanctuaries, having been taken decades ago, great increases in population and in the intensity of industrialization are causing a worldwide ecological crisis.
Option A:
though some protective measures, like the establishment of national forests and wildlife sanctuaries, having been taken decades ago, great increases in population
Option B:
though some protective measures, such as the establishment of national forests and wildlife sanctuaries, were taken decades ago, great increases in population
Option C:
though some protective measures, such as establishing national forests and wildlife sanctuaries having been taken decades ago, great population increases
Option D:
with some protective measures, like establishing national forests and wildlife sanctuaries that were taken decades ago, great increases in population
Option E:
with some protective measures, such as the establishment of national forests and wildlife sanctuaries, having been taken decades ago, great population increases
Difficulty Level
MediumSolution
Option B is the correct answer.
Option Analysis
Concept tested: Comparison, Tenses.
A) Inappropriate usage of the word “like” as there is no comparison here.
B) Correct Answer
C) Inappropriate usage of the continuous tense; “…having been taken…”
D) Inappropriate usage of the word “With” to explain a contrast.
E) Same as D.
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