Which of the Following Statements Is TRUE

Which of the following statements is TRUE?

A) The rate constant does not depend on the activation energy for a reaction where the products are lower in energy than the reactants.
B) A catalyst raises the activation energy of a reaction.
C) Rate constants are temperature dependent.
D) The addition of a homogeneous catalyst does not change the activation energy of a given reaction.
E) None of the above are true.