His uncle made a film his story in his childhood.A. based onB. was based onC. basing onD.

问题补充：

His uncle made a film his story in his childhood.

A. based on

B. was based on

C. basing on

D. to base on

答案：

(答案→)A. based on

B. was based on

C. basing on

D. to base on

解析：考查形容词短语做定语修饰名词。本题中的固定搭配be based on…以…为基础；本句中的形容词短语based on…是修饰名词a film。句意：他的叔叔拍了一部以他童年的故事为基础的电影。这里的based on…=which is based on…。故A正确。