John Is a Sprinter Who Specializes in Quick and Powerful

John is a sprinter who specializes in quick and powerful bursts of speed followed by periods of rest.Jim is a marathon runner who specializes in long,steady runs.Compared to Jim,John is likely to have

A) Legs with a larger diameter
B) Legs with a smaller diameter
C) Hypertrophy of type I muscle fibers
D) Legs with a larger diameter and hypertrophy of type I muscle fibers
E) Legs with a smaller diameter and hypertrophy of type I muscle fibers