It has been proved violence on television has a bad effect on children.A. whetherB. becau

发布时间：2020-08-17 13:22:51

It has been proved      violence on television has a bad effect on children.
A. whether
B. because
C. what
D. that

网友回答

A. whether
B. because
C. what
(答案→)D. that
解析：It has been proved that … 意为“已经证明”。It为形式主语，真正的主语为that引导的从句。句意为：事实证明，暴力电视节日对儿童有不良影响。
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