When the Following Redox Equation Is Balanced with Smallest Whole $\to$

When the following redox equation is balanced with smallest whole number coefficients,the coefficient for the hydrogen sulfate ion will be ______.
Al(s) + HSO₄^-(aq) + OH^-(aq) $\to$ Al₂O₃(s) + S^2-(aq) + H₂O(l)

A) 1
B) 3
C) 4
D) 8
E) None of these choices is correct.