John and I＿＿＿friends for eight years.We first got to know each other at a Christmas party.

问题补充：

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

答案：

A. had been； have met

B. have been； have met

C. had been； had met

(答案→)D. have been； had met

解析：for＋时间段表示从过去某时延续至今的动作或状态，用现在完成时；meet发生在got to know 这一过去动作之前，用过去完成时。