[A] : The central nervous system regulates the release of saliva from the salivary glands.
[R]: Salivary glands release lipase into the mouth and begins the digestion of starch.
A. If both A and R are true and R is the correct explanation of A
B. If both A and R are true but R is not the correct explanation of A
C. If A is true and R is false
D. If both A and R are false