There is still a strong argument mobile phones are a particular risk to children.A. when

发布时间：2020-08-17 08:31:41

There is still a strong argument      mobile phones are a particular risk to children.
A. when 　
B. which 　
C. that　
D. what

网友回答

A. when 　
B. which 　
(答案→)C. that　
D. what
解析：句意：仍然有人坚持认为，手机会对孩子造成特定的危险。分析句子结构并结合句意可知，空处引导同位语从句，从句不缺少成分，应用that引导。
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