Which of the following statements is correct for the Bronsted-Lowry acid-base reaction
HCN + HCO3 ⇋ CN- + H2CO3
(A) HCO3 – is the conjugate base of HCN.
(B) HCN is the conjugate acid of HCO3– .
(C) HCO3 – and CN– are a conjugate acid-base pair.
(D) more than one correct response
(E) no correct response