Which Statement Is True of the Following Reaction? 2K $\rightarrow$ 2KCl + Cu
A) Copper Is Reduced

Which statement is true of the following reaction? 2K + CuCl₂ $\rightarrow$ 2KCl + Cu

A) Copper is reduced.
B) Chlorine is reduced.
C) Potassium is reduced.
D) Copper is oxidized.
E) Chlorine is oxidized.