I in London for many years but I've never regretted my final decision to move back to Chi

问题补充：

I in London for many years，but Ive never regretted my final decision to move back to China.

A. lived

B. was living

C. have lived

D. had lived

答案：

(答案→)A. lived

B. was living

C. have lived

D. had lived

解析：说话者现已回国，但过去在伦敦居住多年，故应用一般过去时。