Which One of the Following Statements About Gibbs Free Energy

Which one of the following statements about Gibbs free energy is true?

A) All the energy generated by a reaction is free to do work.
B) The Gibbs free energy change for a reaction is not dependent on temperature.
C) If the products of a reaction have less Gibbs free energy than the reactants, the reaction is not spontaneous.
D) A reaction with a negative ΔG cannot happen.
E) Catabolic reactions typically have a negative ΔG.