The major areas of medicine in which lasers are effective is in the cutting and closing of blood vessels, and in the destruction

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问题 The major areas of medicine in which lasers are effective is in the cutting and closing of blood vessels, and in the destruction of tumors.

选项 A、is in the cutting and closing of blood vessels, and in the destruction
B、are the cutting and closing of blood vessels, and also the cases of destroying
C、are the cutting, closing of blood vessels, and in the destroying
D、are the cutting and closing of blood vessels, and the destruction
E、is in the cutting and closing of blood vessels, and the destroying

答案D

解析 由主语areas的复数形式排除A、E;B、C中平行结构中形式或意义不一致;D中closing和cutting两个动作紧密相关,所以用and连接,两者构成大并列结构中的一个成分。
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本试题收录于: GMAT VERBAL题库GMAT分类
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