has finished the work ahead of time will be rewarded though we dont know who it will be.

发布时间：2020-08-17 12:38:08

     has finished the work ahead of time will be rewarded though we don't know who it will be.A．Those whoB．AnyoneC．WhoeverD．No matter whoC 

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(答案→)C 
解析：首先判断will be rewarded是谓语，前面应当是主语。如Those 是主语，who引导定语从句。如Anyone是主语，又多少了一个引导定语从句的关系代词who。所以选项D只能引导状语从句。
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