What Element Is Oxidized in the Following Equation and What

What element is oxidized in the following equation and what element is reduced? Sn²⁺ + 2 Ag → Sn + 2 Ag⁺

A) The tin ion, Sn²⁺, is oxidized, while the silver, Ag, is reduced.
B) The tin ion, Sn²⁺, is reduced, while the silver, Ag, is oxidized.
C) Both the tin ion, Sn²⁺, and the silver, Ag, are reduced.
D) Both the tin ion, Sn²⁺, and the silver, Ag, are oxidized.