题目 编号:202931

This computer virus is spreading and all online users are ________",

A.at crossroads

B.in control

C.in doubt

D.at risk

答案及解析

答案

D

解析

句意:这个计算机病毒在传播,所有在线用户都有危险。at risk“有危险”,符合题意。at crossroads“在十字路口;处于紧要关头”;in control“在控制之下”;in doubt“存在疑问”。

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