Which of the Following Is True Regarding Digestion

Which of the following is true regarding digestion?

A) Digestion involves quickly releasing partially processed food into the small intestine so energy is readily available to the rest of the body.
B) Digestion begins in the stomach when the enzymes hydrochloric acid and pepsin begin to break down the food.
C) Digestion begins in the mouth when the saliva enzymes hydrochloric acid and pepsin begin to break down the food.
D) Digestion begins in the mouth when saliva enzymes begin to break down the food and provide lubrication.