题目内容
【题目】 Go back home now, Mary. Your parents __________your safety.
A. are concerned about
B. are concerned with
C. are concerned in
D. concern of
【答案】A
【解析】be concerned about “担忧;挂念”,符合题意。be concerned with “与……有关;涉及 ”;be concerned in “与……有关系(或有牵连)”;concern作动词时,一般不与of搭配。
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