We stopped and reviewed the map . We were n't quite halfway , but we did seem to be on pace to make it to the shelter at a reasonable time . We decided to walk another mile or so to Marble Spring and have lunch there . It did n't take long to get to Marble Spring .
According to the above context, choose the best option to answer the following question.
Question: What may I be currently doing ?
Options:
- Biking
 - None of the above choices .
 - Hiking
 - Driving


Hiking