题目内容

“Simpler” books are the foundation ______ students build a lifelong habit of reading and further the actual skill of reading for longer and stronger periods of time.
A.whichB.upon whichC.for whichD.in which
B
考查介词加关系代词引导的定语从句。the foundation是先行词,定语从句缺少状语,以……为基础,要用on/upon the foundation结构,所以选B。
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