---I don’t suppose the police know who did it．---Well, surprisingly they do．A man has been arrested and ________ now．A.has been questionedB.is being questionedC.is questioningD.has questioned
网友回答
B解析由句子主语A man与question的关系看，应用被动语态，可排除C、D两项；由空后的now可知应用现在进行时的被动语态。