问题描述：
It is not so much the language ___ the cultural background that makes the book difficult to ．．．
It is not so much the language ___ the cultural background that makes the book difficult to understand.
A.but B.nor C.as D.like
It is not so much the language ___ the cultural background that makes the book difficult to understand.
A.but B.nor C.as D.like
问题解答：
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