AIDS is said _____ the number-one killer of both men and women over the past few

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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

解析语法规则。be said to be表示“据说(目前)是”。be said to have been表示“据说(过去或已经)是”。

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AIDSissaid_____thenumber-onekillerofbothmenandwomenoverthepastfew