请问各位大侠帮忙:
GWD04-41:题目如下:
问题:答案是E,但是应用GMAT公理不是应该C优先于E吗?
Q41:
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 mammals.
they have established themselves as supreme adapters in an era when the capability
they have established themselves as being supreme adapters in an era when being able
it has established itself as a supreme adapter in an era when to be able
it has established itself as being a supreme adapter in an era when its ability
it has established itself as a supreme adapter in an era when the ability | 
