题目内容

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

答案:C
解析:

“据说……”可表示为“主语+is said+不定式”或“It is said that…”;由时间状语得知应用不定式的完成式。


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