Which of the Following Groups,a-D,consist of Salts That All Form

Which of the following groups,a-d,consist of salts that all form basic solutions in water (Ac = acetate) ?

A) NaNO₃,NH₄CN,NaAc,NH₄Cl
B) Na₂CO₃,KCl,NaOOCH₃,NH₄Cl
C) Na₂CO₃,NaF,NaOOCH₃,NaCN
D) NaHCO₃,NaF,NH₄Cl,Na₂SO₃
E) None or all of the above.