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.
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Athey have established themselves as supreme adapters in an era when the capability
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Bthey have established themselves as being supreme adapters in an era when being able
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Cit has established itself as a supreme adapter in an era when to be able
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Dit has established itself as being a supreme adapter in an era when its ability
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Eit has established itself as a supreme adapter in an era when the ability
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正确答案: E