Consider the Reaction: Cu(s) + 4HNO₃(aq) $\rightarrow$ Cu(NO₃)₂(aq) + 2NO₂(g) + 2OH^-(aq) Which Species Is the Oxidizing

Consider the reaction: Cu(s) + 4HNO₃(aq) $\rightarrow$ Cu(NO₃) ₂(aq) + 2NO₂(g) + 2OH^-(aq) Which species is the oxidizing agent?

A) OH^-
B) NO²
C) Cu(NO₃) ₂
D) HNO₃
E) Cu