The witnesses ­­­by the police just now gave very different description of the

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(答案→)A. questioned
B. being questioned
C. to be questioned
D. having questioned
解析：根据题意动词question(质问)和逻辑主语witnesses(证人)是被动关系(被质问)；又因为时间状语是just now(刚刚)所以用分词表示发生过的事且被动所以选择过去分词questioned。句意：刚才警方询问的那些目击者对那次打架斗殴事件给出了不同的描述。
【考点定位】考查非谓语动词