How Does a Base Like NH₃ Raise the Hydroxide Ion

Multiple Choice

How does a base like NH₃ raise the hydroxide ion concentration?

A) The NH₃ molecule removes a proton from a water molecule.
B) The NH₃ molecule releases a proton that has to be neutralized by a water molecule.
C) The NH₃ molecule is not a base and therefore does not change the hydroxide ion concentration.
D) The NH₃ molecule releases reacts with a hydronium molecule, altering the number of hydroxide ions in the process.
E) none of the above