---What a long queue!
--- Yeah．We up in the past few hours for tickets back home．
A. queued
B. have queued
C. are queuing
D. have been queuing
网友回答
A. queued
B. have queued
C. are queuing
(答案→)D. have been queuing
解析：考查时态。根据语境可知：我们从过去的几个小时起一直排队到现在，故用现在完成时，选D。