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题库 / OG2016-SC-87
Doctors generally agree that such factors as cigarette smoking, eating rich foods high in fats, and alcohol consumption not only do damage by themselves but also aggravate genetic predispositions toward certain diseases.
not only do damage by themselves but also aggravate
do damage by themselves but also are aggravating to
are damaging by themselves but also are aggravating
not only do damage by themselves, they are also aggravating to
are doing damage by themselves, and they are also aggravating
题目分析：
本题中我们可以发现平行制造者not only…but also…。由于do damage和aggravate在本题中确实存在“递进关系”，所以两者需要在语形上保持平行，并且两者需要具有“递进”关系，可以排除(B)(C)(D)(E)，答案为(A)。
选项分析：
略
知识点：Not only A but also B 二者是递进关系，不是转折关系，则前者是好事，后者必须也是好事，不能是坏事；but单独是转折关系。
本题中我们可以发现平行制造者not only…but also…。由于do damage和aggravate在本题中确实存在“递进关系”，所以两者需要在语形上保持平行，并且两者需要具有“递进”关系，可以排除(B)(C)(D)(E)，答案为(A)。
E?
C选项的现在进行时时态错了吧？
对啦