【题目】______ you have been sitting in front of the computer for two hours, you’d better take a break.

A.Even ifB.ThoughC.Now thatD.Unless

【答案】C

【解析】

考查状语从句。句意：既然你已经在电脑前坐了两个小时了，你最好休息一下。A. Even if 即使；B. Though尽管；C. Now that既然；D. Unless除非。此处是now that引导的原因状语从句，故选C项。

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