______ television all day without a break, he feels very hungry now and his eyes ache.

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问题 ______ television all day without a break, he feels very hungry now and his eyes ache.

选项 A、Watch
B、Having been watching
C、Had watched
D、Having watched

答案B

解析本题考查独立主格结构和现在完成进行时。逗号后面是一个完整的句子，所以逗号前应为现在分词短语作原因状语，所以应用have的分词形式表示；而且时间状语all day表示一直持续到现在的一段时间，故应用完成进行时。

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大学英语三级A级

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