An SHE Electrode Has Been Assigned a Standard Reduction Potential $\ell$

An SHE electrode has been assigned a standard reduction potential, E°, of 0.00 volts. Which of the following reactions will occur at this electrode?

A) 2 H₂O( $\ell$ ) + 2 e^- ?H₂(g) + 2 OH^-(aq)
B) O₂(g) + 4 e^- ? 2 O^2-(aq)
C) Hg₂Cl₂(s) + 2 e^- ? 2 Hg( $\ell$ ) + 2 Cl^-(aq)
D) Li⁺(aq) + e^- ? Li(s)
E) 2 H⁺(aq) + 2 e^- ? H₂(g)