When a Person Is Chewing Food,the Concentration of Ions in Saliva

When a person is chewing food,the concentration of ions in saliva changes with:

A) A decrease in Na⁺,Cl^-,and HCO₃^-.
B) A decrease in Na⁺ and Cl^- and an increase in HCO₃^-.
C) A decrease in K⁺ and Na⁺.
D) An increase in Na⁺,Cl^-,and HCO₃^-.
E) A decrease in K⁺ and HCO₃^-.