-- Isn't it amazing that I met Francis at the Christmas party?
-- Really? For how many years each other?
A. didn't you see
B. haven't you seen
C. don't you see
D. hadn't you seen
网友回答
A. didn't you see
B. haven't you seen
C. don't you see
(答案→)D. hadn't you seen
解析：可联系答.案.网客服索取。