Question

-Have you known him for a long time?  
-Yes, since he ________ here after graduation.

A．comes

B．came

C．has come

D．had come

Answer 1

B

这题考查时态,since引导的时间状语从句用过去时，表示自从过去某个时间，主句用现在完成时，句意是：--你认得他很长时间了吗？--是自从他毕业后来到这儿。选B。