— How do you like your Englsh teacher? — He is great. We friends since three years ago.A.

问题补充：

— How do you like your Englsh teacher?

— He is great. We friends since three years ago.

A. were

B. have made

C. have been

D. have become

答案：

A. were

B. have made

(答案→)C. have been

D. have become

解析：现在完成时态的用法。由答句中的since three years ago知，主语用现在完成时态，且动词用延续性动词，因此选C。