—Jack could you tell me ?--Sure.In the post office on Green Road.A. where you bought the s

问题补充：

—Jack，could you tell me ?

--Sure.In the post office on Green Road.

A. where you bought the stamps

B. where did you buy the stamps

C. when you bought the stamps

D. when did you buy the stamps

答案：

(答案→)A. where you bought the stamps

B. where did you buy the stamps

C. when you bought the stamps

D. when did you buy the stamps

解析：宾语从句 宾语从句应用陈述语气，排除B和D。根据答语“In the post office on Green Road”,可知问句提问的是地点。故选A。