A Volleyball Player Depends on the Gastrocnemius Muscles for Plantar

A volleyball player depends on the gastrocnemius muscles for plantar flexion, whereas a marathon runner depends more on the soleus muscles for the same action.This is because the soleus muscles

A) have smaller mitochondria.
B) have more glycogen in them.
C) don't have as many blood capillaries per gram of tissue.
D) make more use of aerobic respiration.
E) break ATP down to ADP and Pi faster.