— Did you see the movie ‘If You Are The One (非诚勿扰)’ last night ?

— Yes, but when I got to the cinema , the film ________ for ten minutes .

A．had begun

B．had been on

C．has been on

D．began

较大的零件局部磨损后。对磨损部位进行局部的更换来达到原设计要求，这种修理方法称为（）。