At that time I was very worried about I would become out of work.A. whether B. if C./ D. why

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【题目】At that time I was very worried about ____ I would become out of work.

A. whether B. if C./ D. why

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【答案】A

【解析】

试题分析：考查连词辨析。本句中的宾语从句跟在介词之后，If不能用在介词后面的宾语从句中，所以排除if；句意：那时候我很担心我是否会失业。故选A项。