Which of the following combination of conditions many increase the rate of a chemical reaction.

• A.Decrease in temperature, increase in concentration of the reactant
• B.Increase in temperature, addition of a catalyst, decrease in the surface area of the reactant
• C.Increase in temperature, increase in concentration, addition of a catalyst and increase in the surface area of the reactant
• D.Decrease in temperature, concentration and surface area of the reactants
• E.Addition of catalyst and in the absence of light