Question

–When did you come to Shawan?
-In 2010. I ________ here for two years.
A. came            B. have been            C. have come          

Answer 1

B

本题的含义为我到这儿来已经有两年的时间了，表示做某事的长度用完成时态，和时间长度连用不能用短暂动词come，故本题选B。