She felt very upset what her deskmate said.A because B because of C as if D unless

发布时间：2020-08-16 19:29:40

She felt very upset      what her deskmate said.
A because         B because of          C as if          D unless

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解析：这题考察句子结构: what her deskmate said,是名词性从句,所以填because of”因为”,其它选项都是借状语从句,句意是:因为同桌说的话,她感到不安.选B.
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