I got angry ( ) what I had said.A.because B.because of C.though D.even if求详解,

问题描述:

I got angry ( ) what I had said.A.because B.because of C.though D.even if求详解,
求详解

because of
because of加名词
because 后加句子 what i had said 整个句子就相当于一个名词了怎么判断,整个句子是否相当于名字