gwd-2上不懂得一题语法，貌似tootoo的解释有点问题啊，求解求解啊

bhchka

The coyote is one of several recent ecological success stories: along with the white-tailed deer, the moose, and other species that are enlarging their natural domains, they have established themselves as supreme adapters in an era when the capability to adjust to the environmental changes wrought by human beings has created a whole new class of dominant large mammal.
A
B they have established themseleves as being supreme adapters in an era when being able
C it has established itself as a supreme adapter in an era when to be able
D it has established itself as being a supreme adapter in an era when its ability
E it has established itself as a supreme adapter in an era when the ability
答案是E.

balapupu

the ability to....,adjust to...固定搭配啊~~什么问题~~