Q16:
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.
A. though some protective measures, like the establishment of national forests and
wildlife sanctuaries, having been taken decades ago, great increases in population
B. though some protective measures, such as the establishment of national forests
and wildlife sanctuaries, were taken decades ago, great increases in population
C. though some protective measures, such as establishing national forests and
wildlife sanctuaries having been taken decades ago, great population increases
D. with some protective measures, like establishing national forests and wildlife
sanctuaries that were taken decades ago, great increases in population
E. with some protective measures, such as the establishment of national forests and
wildlife sanctuaries, having been taken decades ago, great population increases
正確答案是B 我想請問A錯在哪兒? thks~~~~ |