----Any news about Bill Clinton?
----He left power three years ago and has a little now and a little then been .
A. heard of since
B. heard since
C. heard before
D. heard of before
网友回答
(答案→)A. heard of since
B. heard since
C. heard before
D. heard of before
解析：答句可改为I have heard of him a little now and a little then since he left power three years ago.→ He has a little now and a little then heard of since he left power three years ago.