Pacemakers Implanted in the Chests of Patients with Certain Heart $\rarr$

Pacemakers implanted in the chests of patients with certain heart conditions are powered by a lithium/iodine PVP battery, where PVP represents polyvinylpyridine. The cell reaction and standard cell potential are given below. The standard reduction potential for Li/Li+ is -3.05 V. What species is oxidized in this reaction?
2Li(s) + I₂:PVP(s) $\rarr$ 2LiI(s) + PVP(s)
3.59 V

A) Li
B) I₂
C) I₂:PVP
D) PVP
E) LiI