Balance the Following Oxidation-Reduction Occurring in Acidic Solution

Multiple Choice

Balance the following oxidation-reduction occurring in acidic solution.
MnO₄^-(aq) + Co²⁺(aq) → Mn²⁺(aq) + Co³⁺(aq)

A) MnO₄^-(aq) + 8H⁺(aq) + 5Co²⁺(aq) → Mn²⁺(aq) + 4H₂O(aq) + 5Co³⁺(aq)
B) MnO₄^-(aq) + 8H⁺(aq) + Co²⁺(aq) → Mn²⁺(aq) + 4H₂O(aq) + Co³⁺(aq)
C) MnO₄^-(aq) + 4H₂(g) + 5Co²⁺(aq) → Mn²⁺(aq) + 4H₂O(aq) + 5Co³⁺(aq)
D) MnO₄^-(aq) + 8H⁺(aq) + 2Co²⁺(aq) → Mn²⁺(aq) + 4H₂O(aq) + 2Co³⁺(aq)
E) MnO₄^-(aq) + Co²⁺(aq) → Mn²⁺(aq) + 2O₂(g) + Co³⁺(aq)