Which of the Listed Reactions Would Couple with the Following

Multiple Choice

Which of the listed reactions would couple with the following reaction to produce silver? Ag₂O(s) → 2 Ag(s) + 1/2 O(g)     ΔG° = 11.2 kJ/mol

A) Ag(s) + 1/2 Br2 → AgBr(s)     ΔG° = 96.9 kJ/mol
B) C + 1/2 O₂ → CO     ΔG° = -137.2 kJ/mol
C) N + 1/2 O₂ → NO     ΔG° = 149.3 kJ/mol
D) N + O₂ → NO₂ ΔG° = 51.3 kJ/mol
E) C + 2 S → CS₂(l)     ΔG° = 65.3 kJ/mol