专四

单选题AIDS is said_________ the number-one killer of both men and women over the past few years in that region.

A.being 
B.to be 
C.to have been 
D.having been

参考答案:C进入在线模考
【译文】据说在过去的几年里,艾滋病一直是那个地区的头号杀手,对男性和女性都是如此。
【解析】固定搭配及时态用法。be said t0表示“据说,听说”,后跟不定式现在时态指现在或将要发生的事;后跟不定式完成时态指已经发生的事,如:This building is said to have been built from the design of a famous architect.(据说这栋大楼是根据一位著名建筑师的设计建造的。)本句中的时间状语是over the past few years,说明这是已经发生的事,故C正确。

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