Listening to loud music at rock concerts caused hearing loss in some teenagers.A. isB. are

发布时间：2020-08-17 05:04:15

Listening to loud music at rock concerts      caused hearing loss in some teenagers.
A. is
B. are
C. has
D. have

网友回答

A. is
B. are
(答案→)C. has
D. have
解析：非谓语动词作主语谓动词为单数故为A或者C,声音太大导致了失鸣是主动关系。故排除Ａ
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