问题
____You seem to be glad to come back in your hometown_____Yes , I ____________
A:worked in Shanghai for 10 years
B:have worked in Shanghai for 10 years
C:am working in Shanghai for 10 years
D:had working in Shanghai for 10 years
B:have worked in Shanghai for 10 years
C:am working in Shanghai for 10 years
D:had working in Shanghai for 10 years
正确答案是：
