大全849。

849。The Western world’s love affair with chocolate is well-documented: few people have been known to have tasted it for the first time without requesting more.

(A) few people have been known to have tasted it

(B) few having been known to taste it

(C) it has been tasted by few people

(D) few people have been known to taste it（D）

(E) few people having tasted it

答案是D， A为什么不对啊？哪位给讲讲， 谢了先！