In the Reaction HSO₄^-(aq)+ OH^-(aq) $\rarr$ SO₄^2-(aq)+ H₂O(l), the Conjugate Acid-Base Pairs Are Pair 1 Pair

In the reaction HSO₄^-(aq) + OH^-(aq) $\rarr$ SO₄^2-(aq) + H₂O(l) , the conjugate acid-base pairs are pair 1 pair 2

A) HSO₄^- and SO₄^2-; H₂O and OH^-.
B) HSO₄^- and H₃O⁺; SO₄^{2 -} and OH^-.
C) HSO₄^- and OH^-; SO₄^{2 -} and H₂O.
D) HSO₄^- and H₂O; OH ^- and SO₄^2-.
E) HSO₄^- and OH^-; SO₄^{2 -} and H₃O⁺.