The doctor says that the problem with her husband 's eyes______ by many reasons.

The doctor says that the problem with her husband 's eyes______ by many reasons.
A.cause.B.causes.C.is caused.
D.are caused
英语人气:366 ℃时间:2020-05-23 20:30:38
优质解答
Cproblem是主语,单数
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