---- Could I ask you a rather personal question,Sir?---- Sure,____.A.you could B.my pleasure C.good idea D.go ahead为什么选D其它有什么含义呢?为什么不行?

问题描述:

---- Could I ask you a rather personal question,Sir?
---- Sure,____.
A.you could B.my pleasure C.good idea D.go ahead
为什么选D其它有什么含义呢?为什么不行?