Plz help! Which of the following statements is tru about the villi.

A). Villi are finger-like projections on the walls of the large intestine that prevent bacteria from living inside of the large intestine.

B). Villi are finger-like projections on the walls of the stomach that protect the stomach from hydrochloric acid.

c). Villi are finger-like projections on the walls of the small intestine that increase the surface area available for the absorption of nutrients.

D). Villi are finger-like projections on the walls of the esophagus that are responsible for peristalsis.