Although he in America for a long time, he’s never regretted his making his mind to return to his own country.
A. stayed
B. was staying
C. has stayed
D. had stayed
网友回答
(答案→)A. stayed
B. was staying
C. has stayed
D. had stayed
解析：考查时态。句意“尽管他在美国生活了很久，但是他从不后悔下决心回到自己的祖国。”根据后半句用的是现在完成时可知，是发生在过去的事，应该用一般过去时。故选A。