A-A+
AIDS is said ______ the number one killer of b
问题详情
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
正确答案：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。
