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

1. A.
   Having lost
2. B.
   Lost
3. C.
   Being lost
4. D.
   Losing

________ 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. Losing

________ 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．Losing

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

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