How Are the Muscle Attachments Optimized in Animals Evolved for Movement

How are the muscle attachments optimized in animals evolved for movement through the soil?

A) The attachments produce levers that move relatively rapidly.
B) The attachments produce levers that need to apply large forces for movement.
C) The attachments produce levers that move relatively slowly, but need to apply only small forces for movement.
D) The attachments produce levers that move rapidly, but need to apply only small forces for movement.
E) The attachments produce levers that swing freely.