问题补充：
---I’m sorry to have kept you waiting long.
---Never mind. I here for only a few minutes.
A. have been
B. have come
C. have arrived
D. waited
答案：
(答案→)A. have been
B. have come
C. have arrived
D. waited
解析：考察完成时态中谓语动词。在完成时态中，瞬间动词不能和表示一段时间的状语连用，选项BC都是瞬间动词，故选A，别介意。我到这儿只有几分钟。
