--You do a very good job in German translation!
--Thanks. I German in Zhejiang University for four years!
A. was studying
B. study
C. studied
D. had studied
网友回答
A. was studying
B. study
(答案→)C. studied
D. had studied
解析：考查情景交际和时态。句意：--你的德文翻译得很好！--谢谢。我在浙江大学学了四年德语。根据对话提供的情景可知，是发生在过去的事，应该用一般过去时。过去完成时用于指“过去的过去”，不能用于指现在的情况。故选C。