In the last few years thousands of films all over the world.
A. have produced
B. have been produced
C. are producing
D. are being produced
网友回答
A. have produced
(答案→)B. have been produced
C. are producing
D. are being produced
解析：考察时态。In the last few years,是现在完成时的标志。Film 与produce之间是被动关系，所以选择B