The correct option is B microvilli
Microvilli are minute, projections present on the free surface of the mucosal cells of the intestine. Their function is to increase the area of absorption of the intestine.
Phagocytic vesicles are involved in engulfing of large solid particles.
Zymogen granules contain proteolytic enzymes in an inactive form.
Pinocytic vesicles are involved in intake of extracellular fluid.