第31题: [单项选择]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 答案解析:[解析]考点: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”。
[译文] 据说艾滋病在过去的几年中对于那个地区的男性