这里“what was wrong"是不是宾语从句?请问选A还是B?

问题描述:

这里“what was wrong"是不是宾语从句?请问选A还是B?
He wanted to know __with his new car.
A.what was wrong B.what wrong was

选A
what's wrong with.和 what's the matter with ...是宾语从句的特例 不能改成陈述句语序