Complete and balance the following half-reaction in basic solution. Be sure to include the proper phases for all species within the reaction for Zn(s) -> Zn(OH)4^2-(aq).
A. Zn(s) + 4OH-(aq) -> Zn(OH)4^2-(aq) + 2e-
B. Zn(s) + 2OH-(aq) -> Zn(OH)4^2-(aq) + 2e-
C. Zn(s) + 4H2O(l) -> Zn(OH)4^2-(aq) + 4H+(aq) + 2e-
D. Zn(s) + 2H2O(l) -> Zn(OH)4^2-(aq) + 2H+(aq) + 2e-