Which of the following reactions represents the laboratory preparation of hydrogen?

• A.C_(s) + H ₂ O_(l) → CO_(g) + H_2(g)
• B.2Na_(s) + 2H₂O_(l) → 2NaOH_(aq) + H_2(g)
• C.Zn_{(s) + 2HCI(aq) → ZnCI2(aq) + H2(g)}
• D.Cu_(s) + H₂O_(l) → CuO_(s) + H_2(g)
• E.2AI_(s) + 3H₂O_{(l) → Al2O3(s) + 3H2(g)}