What Is the Importance of the Mucus That Is Released

What is the importance of the mucus that is released by salivary glands?

A) Mucus aids in degradation of triglycerides to fatty acids and monoglycerides.
B) Mucus secretions are beginning the process of starch digestion.
C) Mucus contains hormonal molecules that stimulate the release of gastric juice by the stomach in anticipation of receipt of the contents of the mouth.
D) Mucus contains glycoproteins that make food slippery enough to slide easily through the esophagus.