I’m interested in you have said.A. all thatB. all whatC. thatD. which

问题补充：

I’m interested in you have said.

A. all that

B. all what

C. that

D. which

答案：

A. all that

B. all what

C. that

D. which

解析：A

解析that引导定语从句，因为先行词是all，所以只能选用that引导。