问题
John and I＿＿＿friends for eight years.We first got to know each other at a Christmas party.But we＿＿＿＿＿ each other a couple of times before that
A:had been； have met
B:have been； have met
C:had been； had met
D:have been； had met
B:have been； have met
C:had been； had met
D:have been； had met
正确答案是：
