Jim has made many friends since he to China.A. cameB. comesC. has comeD. will come

问题补充：

Jim has made many friends since he to China.

A. came

B. comes

C. has come

D. will come

答案：

(答案→)A. came

B. comes

C. has come

D. will come

解析：主句中Jim已经交了很多朋友，since从……说明从句中，他来中国应是过去时态，所以选A。