----Have you worked in this company for a long time?-Yes since I from the college.A.

问题补充：

----Have you worked in this company for a long time?

---- Yes, since I from the college.

A. has graduated

B. graduates

C. had graduated

D. graduated

答案：

A. has graduated

B. graduates

C. had graduated

(答案→)D. graduated

解析：考察时态。本题的关键是since自从…；从句里使用一般过去时，主句中使用现在完成时。句意：—你在这个公司里工作很长时间了吗？—是的。自从我大学毕业到现在，我一直就在这里上班。故D正确。