My parents used _____ they had to get a new car for my brother.

题目

My parents used _____ they had to get a new car for my brother.
A.what 　　　　B.which 　　　　C.all what 　　D.不填
为什么不能选B,which不是可以引导宾语从句的吗

答案

填 A.what
used what they have
是习惯用法,和 used whatever they have （用他们所有的一切资源）有相同意思.