Which of the Following Statements Is True About Enzyme- Catalyzed

Which of the following statements is true about enzyme- catalyzed reactions?

A) Enzyme- catalyzed reactions release more free energy than noncatalyzed reactions.
B) An enzyme catalyzes a reaction by raising the activation energy.
C) The reaction is faster than the same reaction in the absence of the enzyme.
D) Enzyme- catalyzed reactions require energy to activate the enzyme.
E) The free- energy change of the reaction is opposite from the reaction that occurs in the absence of the enzyme.