Which Equation Depicts the Hydrogen Phosphate Ion Behaving as a Brønsted-Lowry

Multiple Choice

Which equation depicts the hydrogen phosphate ion behaving as a Brønsted-Lowry base in water?

A) HPO₄^2-(aq) + H₂O( $\ell$ ) $\rightleftharpoons$ H₂PO₄^-(aq) + OH^-(aq)
B) HPO₄^2-(aq) + OH^-(aq) $\rightleftharpoons$ PO₄^3-(aq) + H₂O( $\ell$ )
C) HPO₄^2-(aq) + H₂O( $\ell$ ) $\rightleftharpoons$ PO₄^3-(aq) + H₃O⁺(aq)
D) 2 HPO₄^2-(aq) + O^2-(aq) $\rightleftharpoons$ PO₄^3-(aq) + H₂O( $\ell$ )
E) 2 HPO₄^2-(aq) + H₂O( $\ell$ ) $\rightleftharpoons$ 2 H₂O( $\ell$ ) + P₂O₇(s)