问题
选择题
I know a little bit about the city as I __________ there for one year in my youth.
A．am studying
B．had studied
C．studied
D．have studied
答案
答案：C
考查时态。句意：在我年轻的时候我在那学过一年所以对这个城市我知道一点。根据语境学习的动作在过去，所以用一般过去式，选C。