you came back to Guangzhou last week.Where have you been?

问题描述:

you came back to Guangzhou last week.Where have you been?
I____to Paris to watch a fashion show
A.go B.will go C.went D.have gone

是c吧,have been是去了已回,他现在在讲这件事就是过去,那就是go的过去式went