Why at home and watch TV? A. don’t stayB. not stayingC. don’t you stayD. not to stay

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A. don’t stay
B. not staying
(答案→)C. don’t you stay
D. not to stay
解析：考查固定句式.句意:为什么不呆在家看电视?why not=why don’t you,注意两个结构后都接动词原形,表示为什么不做某事,选项ABD结构错误,故选C.