The correct option is D visceral muscle
Smooth muscle is also called visceral, non-striated, non-striped or involuntary muscle. Skeletal muscle is called striped muscle or striated muscle or voluntary muscle. Smooth muscles are found in the internal i.e. visceral organs and hence they are called visceral muscles. They are involuntary. They do not have striations and are hence called non-striated or non-striped muscles.