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

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

admin2012-10-20  41
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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