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答案：
E
选E
A
B.同A,介词短语后主语是DNA evidence，this用法错
C.being做修饰不简洁，这里表伴随和结果逻辑都不对，this用法错
D.Skeletons allowed scientists to recover evidence,逻辑有问题，骨骼让科学家去恢复证据？？ and they里的指代主句主语，(svo, and it),骨骼没有能力去推断。it多余
E.主干是Scientists （修饰：啥样的科学家） recovered DNA evidence from which they were able to deduce，就是they were able to deduce from evidence，科学家能去推断，正确。
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