What Element Is Oxidized in the Following Equation and What $\mathrm { Sn } ^ { 2 + }$

Multiple Choice

What element is oxidized in the following equation and what element is reduced? $\mathrm { Sn } ^ { 2 + }$ + 2 Ag ? Sn + 2 Ag?

A) The tin ion, $\mathrm { Sn } ^ { 2 + }$ ,is oxidized,while the silver,Ag,is reduced.
B) The tin ion, $\mathrm { Sn } ^ { 2 + }$ ,is reduced,while the silver,Ag,is oxidized.
C) Both the tin ion, $\mathrm { Sn } ^ { 2 + }$ ,and the silver,Ag,are reduced.
D) Both the tin ion, $\mathrm { Sn } ^ { 2 + }$