Deboard the mountain for the next hour and silently swear under my breath as I start to feel my knees and ankles give out under the weight of my pack . Continue to silently swear as the very last obstacle to the car is a stream that I can not jump . Remove shoes , remove socks , roll up pants . Cross .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator restricted from moving ?
Options:
- Their car broke down .
 - They do n't have shoes .
 - The water is too much .
 - They lost their shoes .


The water is too much .