The document film next week aims at introducing local cultures to the world.A. releasedB.

问题补充：

The document film next week aims at introducing local cultures to the world.

A. released

B. being released

C. to be released

D. having been released

答案：

A. released

B. being released

(答案→)C. to be released

D. having been released

解析：考查非谓语动词。film与release是动宾关系，用被动，根据next week可知，还未发生，排除A、B、D。不定式表将来，故选C。