____in the mountains for a week,the two students were finally saved by the local police.

题目

____in the mountains for a week,the two students were finally saved by the local police.
A.Having lost B.Lost C.Being lost D.Losting
请附上说明,

答案

选A解析：两名学生在山里走失了,这件事情毫无疑问是发生在他们被救出之前的,而题目中他们被警察救出用的是过去时态,那么前半句发生的时间就属于过去的过去,就要用过去完成时.两半句的主语都是两个学生,所以前半句的...