Pop music is such an important part of society it has even influenced our language.
A. as
B. that
C. which
D. where
网友回答
A. as
(答案→)B. that
C. which
D. where
解析：句意：流行音乐是社会上如此重要的一部分以致于音乐影响了我们的语言。句中的it指pop music;这里such a/an +形容词+名词+that+其他。that引导的是结果状语从句，它在从句中不作成分，只起连接的作用，故选B。