Question

we have made friends since

— 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

Answer 1

C 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。