AIDS is said ______ the number one killer of both men and women over the past fe

游客2023-11-15 70

问题 AIDS is said ______ the number one killer of both men and women over the past few years in that region.

选项 A、being
B、to be
C、to have been
D、having been

答案 C

解析根据时间短语over the past few years句子应是完成时，而be said一般都接不定式，因此正确答案是C。

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