I rellay can't understand___her like that.

问题描述:

I rellay can't understand___her like that.
A、 you treat B 、you to treat C、 why treat D 、you treating

选D
A 要变成 why you treat 做 understand 的宾语从句
B 没有这样的
C 要加个you
D 变成动名词做understand的宾语