Identify the Bronsted Acids and Bases in the Following Equation $\rightarrow$

Multiple Choice

Identify the Bronsted acids and bases in the following equation (A = Bronsted acid, B = Bronsted base) : HSO₃^- + CN^- $\rightarrow$ HCN + SO₃^2-

A) B A B A
B) B B A A
C) A B A B
D) A B B A
E) B A A B