Question

---Have you ever been to Shanghai, Mary?
---Yes. I __________ there for a week with my parents last month.

A．have been

B．have gone

C．went

D．was

Answer 1

D

根据答语句末时间状语last month可知，是指上个月在上海呆了一周，该用一般过去时，选D，表状态。