Question

saliva contains digestive enzymes to begin digesting:
a fats.
b cholesterol.
c carbohydrates.
d protein.

Explanation:

Saliva contains salivary amylase (ptyalin), which is an enzyme that starts the digestion of carbohydrates. Fats are mainly digested in the small intestine by lipases. Cholesterol is a type of lipid and its digestion is part of fat digestion processes. Proteins are primarily digested in the stomach (by pepsin) and small intestine (by pancreatic and intestinal proteases).

Answer:

C. carbohydrates