This is the third time we a film in the cinema together as a family. A. seeB. had seen C.

问题补充：

This is the third time we a film in the cinema together as a family.

A. see

B. had seen

C. saw

D. have seen

答案：

A. see

B. had seen

C. saw

(答案→)D. have seen

解析：考察固定句式和时态。固定句式：It /That/This is the...time that sb have done sth；It /That/This was the...time that sb had done sth。“这是某人第几次做某事的时候了”；结合日常生活实际，既然到这是第几次做某事，表明该动作已经发生，因此，要用完成时态——主句用现在时，从句用现在完成时；主句用过去时，从句用过去完成时。本句前面使用了is，说明后面用现在完成时。故D正确。