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题目材料：

It can be inferred that in his discussion of maladaptive frailties the author assumes that

A.evolution does not favor the emergence of adaptive characteristics over the emergence of maladaptive ones
B.any structure or behavior not positively adaptive is regarded as transitory in evolutionary theory
C.maladaptive characteristics, once fixed, make the emergence of other maladaptive characteristics more likely
D.the designation of a characteristic as being maladaptive must always remain highly tentative
E.changes in the total human environment can outpace evolutionary change

E显示答案

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以上解析由考满分老师提供。