AIDS is said ________ the number-one killer of both men and

AIDS is said ________ the number-one killer of both men and women over the past few years in that poverty-stricken region where no medical services are available.
A.being
B.to be
C.to have been
D.having been
半岛小-雨 1年前 已收到1个回答 举报

黑夜男香 幼苗

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答案C
试题分析:本题考查对非谓语动词的掌握.
由句中的时间状语“over the past few years”可知动作发生在谓语动作之前,故应用不定式的完成式作宾语.

1年前

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