题目内容：

He didn't know (
A.what is wrong with him B.what was wrong with him C.what wrong is with him D.what wrong was with him 给些说明,

优质解答

B对.
宾语从句：陈述语序,排除C与D； 主句是一般过去时,从句要用相应的过去时,再排除A
加油!不明白再问!

追问：

这里难点就在于，哪个算是陈述语序。

追答：

what is wrong with sb ?本身就是陈述语序，记住就行了。（ WHAT 既是引导词也是从句的主语）