He in American for five years and now he works in Shanghai.A. have workedB. workedC. had

问题补充：

He in American for five years, and now he works in Shanghai.

A. have worked

B. worked

C. had worked

D. have been working

答案：

A. have worked

(答案→)B. worked

C. had worked

D. have been working

解析：考查时态。根据语境可知他过去在美国工作5年，陈述过去发生的事情，故用一般过去时，选B。