题目内容
The possibility of a murder _____, the police have set about looking for the clues to her suicide.
A. to be ruled out B. to rule out
C. having ruled out D. having been ruled out
D
【解析】
试题分析:考查独立主格结构。句意:谋杀的可能性被排除之后,警方已经着手寻找她自杀的新线索了。The possibility of a murder是非谓语动词的逻辑主语,与rule out是动宾关系,即可能性被排除,应该用被动语态,排除B、C;分词的完成式可以表示时间、原因等,相当于一个状语从句,这里相当于After/Because the possibility of a murder was ruled out,故选D。
考点:考查独立主格结构

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