I often look forward the film when I was young.A to see B to seeing C to being seen D to

问题补充：

I often look forward the film when I was young.

A to see B to seeing C to being seen D to be seen

答案：

解析：考察固定短语。Look forward to sth/doing sth期待sth/做sth;to 是介词，后面要接名词或者动名词。本题又是主动关系。故B正确。