---Where you these days? I haven’t seen you long.
---To Britain. I left for London two months ago and returned last week .
A. do, go
B. will, go
C. have, gone
D. have, been
网友回答
A. do, go
B. will, go
C. have, gone
(答案→)D. have, been
解析：考察时态。根据下文我有很久不见你了。可知前文问的是过去发生现在已完成的事情，故用现在完成时态，瞬间动词不能和these days连用，故选D。