题目内容
【题目】When ________ about the possibility that Justin was taken by aliens, Detective Sam Peterson said that there was no hard evidence about this.
A. asking B. was asked
C. being asked D. asked
【答案】D
【解析】试题分析:考查省略和语态。when引导的状语从句主语与主句主语相同,都是Detective Sam Peterson,Detective Sam Peterson与空格处的动词是被动关系,故选D项。不选B项,因为主语省略了,助动词也跟着省略。
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