D. Muscles that contract without conscious control.
Explanation:
Voluntary muscles comprise muscles that are capable of being consciously contracted, and there is a brain message for the process to take place, such as the biceps, quadriceps, and other skeletal muscles. That is, the contraction of these muscles occurs according to the will of the individual, are the muscles of the skeleton.
This kind of muscle would be the kind of muscle that would be under control. And I believe that this kind of muscle would originate near or around the surface of the skeleton. Therefore, your correct answer would then be the first option, as it would read the following: "<span>Muscles that connect at either or both ends of a bone and move parts of the skeleton." </span>
