Read the following context and choose the best option to answer the question.
Context: For most of the way after Parkdale , CO we followed the Arkansas River . We stopped a couple of times to take pictures . About an hour before we reached Gunnison it started raining . And continued to rain for hours .
Question: What may be the reason for being on the road so much ?
Options: 
A. They are out to explore for the day .
B. None of the above choices .
C. They 're on a road trip .
D. They 're on a scavenger hunt .


C