Iamverygratefultoyouforwhatyou'vegivenmeand()youhavedoneforme.AallthatBallwhat这个怎麽选择呢?怎麽区别?

Question

I am very grateful to you for what you've given me and ()you have done for me.A all that
B all what 这个怎麽选择呢?怎麽区别?

Answer 1

I am very grateful to you for what you've given me and (all that)you have done for me.
期中that you have done for me 是all 的定语从句.all 为不定代词,故引导定语从句的关系代词只能是that.