Question

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

Answer 1

D

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。