I'minterestedin___youhaveside.Aallthat

I'm interested in ___you have side.
A all that B all what C that D which .这里为什么不能选D？

I like reading books when I have time.I think it's a good way to relax and spend my free time.When I was a kid,my mother often read books for me before I went to bed.From then on I was interested in reading books."Books are man's best friends." Books give us knowledge.Through reading,we can understand more kinds of people,how do they think.When I read,I always lose myself in the book and forget all my worries.I like reading all kinds of books,story-books,novels and so on.My farourite book is "Harry Porter".

这个句子不是定语从句，而是宾语从句。what做said的宾语，然后what you have said再一起做in的宾语，which做宾语的时候只是在定语从句中。