In the last few years thousands of films ________all over the word.(2011·天津)

A．have produced

B．have been produced

C．are producing

D．are being produced

夜间施工开行的工程列车，必须在压道车到达前（）分钟出清正线，由施工工程列车担当压道任务时，压道路径由行车调度员指定；