单选题When we _______the railwa

问题补充：

单选题Whenwe_______therailwaystation,thetrain_______for5minutes．A.got to, had been awayB.reached, had leftC.arrived, has been awayD.arrived at, has left

答案：

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。