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 nitrogen dioxide will be _____.
I₂(s) + HNO₃(aq) $\to$ HIO₃(aq) + NO₂(g) + H₂O(l)

A) 1
B) 2
C) 4
D) 10
E) none of the above