Read the following context and choose the best option to answer the question.
Context: When I was younger , I was friends with a youth worker . He went on a backpacking trip and never came back . His base camp was found , but he was never found or seen again . There was no indication of a struggle , violence , animal attack , etc .
Question: What may of happened to him ?
Options: 
- None of the above choices .
 - He got lost .
 - He got married .
 - He ran away .


He got lost .