求解答

kobeheorin

11. GWD17-Q11:

Some species of Arctic birds are threatened byrecent sharp increases in the population of snow geese, which breed in the Arctic and are displacing birds of less vigorousspecies.  Although snow geese are apopular quarry for hunters in the southern regions where they winter, thehunting season ends if and when hunting has reduced the population by fivepercent, according to official estimates. Clearly, dropping this restriction would allow the other species torecover.

Which of the following, if true, mostseriously undermines the argument?

A.   Huntinglimits for snow geese were imposed many years ago in response to a sharpdecline in the population of snow geese.
B.   Ithas been many years since the restriction led to the hunting season for snowgeese being closed earlier than the scheduled date.
C.   Thenumber of snow geese taken by hunters each year has grown every year forseveral years.
D.   Astheir population has increased, snow geese have recolonized wintering groundsthat they had not used for several seasons.
E. Inthe snow goose’s winter habitats, the goose faces no significant naturalpredation答案是B,为什么不是C？如果每年被捕的数量都增加，说明 snow geese 的数量也在增加，那么bird 的数量就会减少啊。。。

kobeheorin

自己顶一下，求解答。。。