—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.hadn’t you seen D.don’t you see
—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.hadn’t you seen D.don’t you see
C