题目内容：

A:John has hurt his leg.B;Really?______?
A.Who does that?B.How that happened
C.what's wrong with D.why was he so careless 选哪一个?

优质解答

选B了,如果选C,那么答案完整的应该是what's wrong with him,而且根据语境也只可能选B,因为A说约翰伤了一条腿,B当然要问“真的吗?他是怎么伤的?”