A bicycle club went on a six-hour ride. The graph below shows the relationship between the number of hours spent on the trails and the number of miles traveled. ​Which statement best interprets information provided by the graph?​​

A. The club members rode at a constant speed for the entire ride.

B. The club members stopped for a rest during their ride.

C. The number of miles traveled increased continuously throughout the ride.

D. The number of miles traveled increased some of the time and decreased some of the time.