Question

I was so angry at all( )he was doing he was doing( )I walked out.

A.which/that B.what/that
C.that/which D.that/that
我知道答案是D 但是我想知道如果第一个空填what 那么all做整个从句的定语可以么
此处all作形容词修饰what

Answer 1

不可以。此处的all定语从句先行词。引导词用that。all作定语时，后面一般不直接加从句。
遇到类似的题，答案都用all that...，此时all that= what 。

Answer 2

all that=what
记住all后边就是不能接what

Answer 3

定语从句本身就是来修饰名词的，这个被修饰词在语法上叫先行词，
怎么可能反过来，一个词修饰一个句子呢？
还有what是不可以引导定语从句的