I have a magnesium fire starter and beef jerky. I ate beauty berries so I will need to eat again before the end of Day 4. I choose Option #3.

In the deep, thick woods the rustling is more likely going to be from an animal than a person. I have no loaded gun, so the next best option is to get away quickly and quietly. Running as fast as I can will make too much noise and draw the animal's attention if it is dangerous. Hopefully, I haven't been noticed yet.