—Your spoken English is so good. Have you been abroad?—Yes. I in London for two years.A.

问题补充：

—Your spoken English is so good. Have you been abroad?

—Yes. I in London for two years.

A. have stayed

B. stayed

C. had stayed

D. have been staying

答案：

(答案→)A. have stayed

B. stayed

C. had stayed

D. have been staying

解析：考察时态，根据题意，你的口语这么好。你到过国外吗？是的。我曾经在伦敦呆过两年。可知答语种是现在完成时态，选A。