—YoudoaverygoodjobinGermantranslation!—Thanks．I

问题详情：

—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

【回答】

C

知识点：一般过去时及其被动式

题型：选择题