What half-reaction would be expected to occur at the cathode in the electrolysis of aqueous sodium fluoride?

a. 2F(aq) → F₂(g) + 2e^

b. 2H₂O(l) → O₂(g) + 4H⁺(aq) + 4e^

c. 2H₂O(l) + 2e^ → H₂(g) + 2OH^(aq)

d. Na⁺(aq) + e^ → Na(s)

e. NaF(aq) → NaF(s)