Which Statement Below Regarding Heating Curves Is FALSE

Which statement below regarding heating curves is FALSE?

A) A heating curve tracks the temperature of a system as it is heated at a constant rate.
B) Different substances will have different heating curves.
C) A heating curve will reflect the amount of material present.
D) When a substance undergoes a phase change, there is no energy change because the temperature is constant.
E) If a cooling curve were to be made, the amounts of energy would be equal to those in a heating curve but opposite in sign.