Given That Cl₂(g)+ 2 E^- ? 2 Cl^-(aq)is the Reduction $\rarr$

Given that Cl₂(g) + 2 e^- ? 2 Cl^-(aq) is the reduction half-reaction for the overall reaction
2 Ag(s) + Cl₂ (g) $\rarr$ 2 AgCl(s) ,what is the oxidation half reaction?

A) Ag(s) ? Ag⁺(aq) + e^-
B) Ag(s) + Cl^-(aq) ? AgCl(s) + e^-
C) Ag(s) + Cl₂(g) + e^- ? AgCl(s) + Cl^-(aq)
D) 2 Cl^-(aq) ? Cl₂(g) + 2 e^-