专四

单选题It is not __ much the language as the background that makes the book difficult to understand.

A.that
B.as
C.so
D.very

参考答案:C进入在线模考
【译文】与其说是语言,不如说是背景知识使得这本书读起来困难。
考查not SO much…as的用法。此固定搭配意思是“与其说……不如说……”,因此应该选C。