---Where have you been recently?- I in Hangzhou on business for a week last month.A. h

问题补充：

---Where have you been recently?

--- I in Hangzhou on business for a week last month.

A. have been

B. had gone

C. had been

D. was

答案：

A. have been

B. had gone

C. had been

(答案→)D. was

解析：考查时态，根据句意：最近在哪里的？--上个月在杭州出差一个星期。可知在杭州是上个月的事，用过去时。