The reagent(s) that can selectively precipitate $$S^{2-}$$ from a mixture of $$S^{2-}$$ and $$SO_{4}^{2-}$$ in aqueous solution is(are)

A

$$CuCl_2$$

B

$$BaCl_2$$

C

$$Pb(OOCCH_3)_2$$

D

$$Na_2[Fe(CN)_5 NO]$$