Music is the only language ______ you never say a mean or sarcas

Music is the only language ______ you never say a mean or sarcastic thing.
A、for that
B、in which
C、that
D、which
【正确答案】：B
【题目解析】：译文：音乐是惟一不能用来表达卑鄙的或讽刺的事物的语言。在本句中,only不再是修饰语，而是is的宾语。根据语法常识首先排除for that的用法。用语言为in language。答案为B。