Inthepast few years,thousandsoffilms all overtheworld.A. have producedB. have beenproduced

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A. have produced
(答案→)B. have beenproduced
C. are producing
D. are beingproduced
解析：考查动词的时态和语态的用法。films不是动词produce的执行者，而是承受者，如果用film做主语，应该使用被动语态；根据句首表示时间的“Inthepast few years”确定使用现在完成时。