AIDS is said ______ the number-one killer of both men and women over the past few years in that region.[2002]
A、
being
B、
to be
C、
to have been
D、
having been
【正确答案】
C
【答案解析】
解析：be said to be表示“据说(目前)是”，由于本句的时间状语为over the past few years，所以要求这里的不定式要使用完成式表示过去已经发生的事，故选项C正确。
提交答案
关闭