When the Oxidation-Reduction Reaction Shown Here Is Balanced Using the Smallest

Multiple Choice

When the oxidation-reduction reaction shown here is balanced using the smallest whole-number coefficients, how many moles of electrons are transferred?
CO(g) + I₂O₅(s) $\rightarrow$ I₂(s) + CO₂(g)

A) 1
B) 2
C) 4
D) 5
E) 10