after i( )out of the staion,i met a friend

问题描述:

after i( )out of the staion,i met a friend
after i( )out of the staion,i met a friend of mine who works in a university in the town.
A.went B.was going C.have gone D.has gone 说原因

C 因为这里是after 时态要往后退一个 本来是went就变成 过去完成时have gone