— I went to see a film yesterday. — Oh did you? .A. So I didB. I did soC. So do ID. So di

问题补充：

— I went to see a film yesterday.

— Oh, did you? .

A. So I did

B. I did so

C. So do I

D. So did I

答案：

A. So I did

B. I did so

C. So do I

(答案→)D. So did I

解析：句意：我昨天去看电影了。噢，是吗？我也去了。So + 助动词+ 主语，表示某人也适合上句的主语，根据时间yesterday，所以选D。