Exothermic and endothermic reactions — practice question

The reaction pathway diagram for an exothermic reaction is shown. Which row correctly names labels 1, 2, 3 and 4?

• A1 reactants, 2 $\Delta H$, 3 $E_a$, 4 products
• B1 products, 2 $\Delta H$, 3 $E_a$, 4 reactants
• C1 reactants, 2 $E_a$, 3 $\Delta H$, 4 products
• D1 products, 2 $E_a$, 3 $\Delta H$, 4 reactants