-- to Hong Kong?-- Yes and I will be back next month.A. Have you goneB. Have you beenC. A

问题补充：

-- to Hong Kong?

-- Yes, and I will be back next month.

A. Have you gone

B. Have you been

C. Are you going

D. Did you go

答案：

(答案→)A. Have you gone

B. Have you been

C. Are you going

D. Did you go

解析：句意：——你去香港了吗？——是的，我将下个月回去。根据下文下个月回来，可知现在还没回来，have gone to去了某地,还没回来．故选A。