Which Solution Below Would Make the Best Buffer? (Ac =

Which solution below would make the best buffer? (Ac = acetate)

A) hydrochloric acid and sodium chloride, HCl and NaCl
B) acetic acid and ammonia, HAc and NH₃
C) acetic acid and ammonium chloride, HAc and NH₄Cl
D) sodium acetate and ammonium chloride, NaAc and NH₄Cl
E) ammonia and ammonium chloride, NH₃ and NH₄Cl