Use the Standard Reduction Potentials Below to Determine Which Element

Use the standard reduction potentials below to determine which element or ion is the best reducing agent. $\begin{array}{ll}\mathrm{NO}_{3}^{-}(a q) +4 \mathrm{H}^{+}(a q) +3 e^{-} \rightarrow \mathrm{NO}(g) +2 \mathrm{H}_{2} \mathrm{O}(t) & E^{\circ}=+0.955 \mathrm{~V} \\\mathrm{Pd}^{2+}(a q) +2 \mathrm{e}^{-} \rightarrow \mathrm{Pd}(s) & E^{\circ}=+0.90 \mathrm{~V} \\2 \mathrm{H}^{+}(a q) +2 \mathrm{e}^{-} \rightarrow \mathrm{H}_{2}(g) & E^{\circ}=0.00 \mathrm{~V}\end{array}$

A) Pd²⁺(aq)
B) Pd(s)
C) H⁺(aq)
D) H₂(g)
E) NO₃^-(aq)