For a One Step Reaction, the Activation Energy for the Forward

For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol^-1, and the heat of reaction is 20.0 kJ mol^-1. Which statement below is true?

A) The activation energy of the forward reaction would be affected to a greater extent than the activation energy of the reverse reaction by addition of a catalyst.
B) The value for the heat of reaction would be decreased by addition of a catalyst.
C) The reaction is endothermic.
D) The reverse reaction has a higher activation energy than the forward reaction.
E) The reaction rate would be decreased by an increase in temperature.