D $15.$ What is the balanced oxidation half$-$reaction provided below?

$Zn(s)+2H^{+}(aq)Z{n}^{2+}(aq)+H_2(g)$

A$)Z{n}^{2+}(aq)+2e^{-}Zn(s)-$ gaining

B$)Z{n}^{2+}(aq)+e^{-}Zn(s)$ gaining

C$)Zn(s)Z{n}^{2+}(aq)+2e^{-}$

$($D$)2H^{+}(aq)+2e^{-}{H}_2(g)-gainlng{e}^{-}$

E$)2H^{+}(aq)H_2(g)+2e^{-}$