In a Galvanic Cell,the Half-Reaction H₂(g)+ 2 OH^-(aq)→ 2 H₂O(l)

In a galvanic cell,the half-reaction H₂(g) + 2 OH^-(aq) → 2 H₂O(l) + 2 e^- is

A) an oxidation half-reaction and occurs at the anode.
B) an oxidation half-reaction and occurs at the cathode.
C) a reduction half-reaction and occurs at the anode.
D) a reduction half-reaction and occurs at the cathode.