题目内容：

I have seen the film "titanic" already when ( ) you( ) it
A have seen
B will see
C did see
D had seen

优质解答

C
when did you see it 你什么时候看的?
电影是过去看的,所以用一般过去时
不明白的再问哟,请及时采纳,多谢 !