The coyote is one of several recent ecological success: along with the white—tailed deer, the moose, and other species that are enlarging their natural domains, they have establish themselves as supreme adapters in an era when the capability to adjust to the environmental changes wrought by human beings has a whole new class of dominant large mammals.
C. it has established itself as a supreme adapter in an era when to be able
E. it has established itself as a supreme adapter in an era when the ability
答案是E, 但我想知道C 为什么不对~
麻烦大牛,谢~
an era when
the ablity to adjust to the environmental changes wrought by human beings
has a whole new class of dominant large mammals
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an era when
to be able to adjust to the environmental changes wrought by human beings
has a whole new class of dominant large mammals
第一个句子里ability是做从句主语, 不知道解释得对不对....
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