问题详情：
![Inthelastfewyearsthousandsoffilms]( "Inthelastfewyearsthousandsoffilms")
In the last few years thousands of films ________ allover the word.
A．have produced B．have been produced
C．are producing D．are being produced
【回答】
B [考查动词时态，句意：在过去几年里，全世界成千上万的电影已被制作。题干中的in the last few years是现在完成时的标志，根据句意表被动，所以须用现在完成时的被动语态，故选B。]
知识点：现在完成时及其被动式
题型：选择题
