Answer:
Option (D).
Explanation:
Skeletal muscles is one of the most important types of muscle that regulate the contraction of skeletal muscles of the body. The skeletal muscle is controlled by the somatic nervous system.
Skeletal muscles are multi nucleate contains large number of nucleus in their structure. The multiple nucleus increases the ability of muscle to produce large number of enzymes. These enzymes are proteins are important for the muscle contraction.
Thus, the correct answer is option (D).