the students were all interested __ you told them yesterday.A in which B in that this C all that D

问题描述:

the students were all interested __ you told them yesterday.A in which B in that this C all that D
希望有具体的想法过程,
The students were all interested ____you told them yesterday.
A in which B all that C in everything 不好意思,前面有错误

应该是D  in what吧
be interested in对...感兴趣 
后面接的是宾语从句 what you told them   你告诉他们的事情.