Why does a base decrease hydrogen ion concentration?

A. Bases bind H[tex]\(^+\)[/tex] and are proton acceptors.
B. Bases interfere with water's ability to dissolve acids.
C. Bases split more water molecules into H[tex]\(^+\)[/tex] and OH[tex]\(^-\)[/tex].
D. Bases release H[tex]\(^+\)[/tex] and are proton donors.