Whenwe_______therailwaystation,thetrain_______for5minutes．
A.got to, had been awayB.reached, had leftC.arrived, has been awayD.arrived at, has left在线课程A
解析：
这题考查时态，当我们到了火车站时，火车已经离开了5分钟了。因为火车离开是发生在我们到火车站之前，所以用过去完成时。