What Is the Cephalic Phase

What is the cephalic phase?

A) earliest phase of digestion when the brain prepares the body in anticipation of food
B) phase when the semi-digested food leaves the stomach and slowly enters the small intestine
C) phase when the majority of absorption occurs, primarily occurring in the small intestine
D) final phase of digestion when the large intestine and rectum prepare the undigested components of food for elimination