— When did Mr Green teach in China?— .A. Since five years agoB. For five years C. In five

问题补充：

— When did Mr Green teach in China?

— .

A. Since five years ago

B. For five years

C. In five years

D. Five years ago

答案：

A. Since five years ago

B. For five years

C. In five years

(答案→)D. Five years ago

解析：本题为一般过去时，能回答一般过去时的句子，只有D，AB是回答现在完成时的，C是回答一般将来时的，故选D