Select what you think is the best interpretation of the graph. A. The train sped up during the first 3 minutes, slowed down for several minutes, then sped up again.

B. The train went uphill, traveled on flat ground, then went uphill again.

C. The train sped up for 3 minutes, traveled at a steady speed for 2 minutes, then sped up again.

D. The train sped up then slowed down during the first 3 minutes, stopped for two minutes, then sped up again.

E. The train traveled at a steady speed uphill for most of the way except for in the middle when it stopped for 2 minutes.

Help please..