Which Statement Is Incorrect

Which statement is incorrect?

A) Heat can be considered the energy transferred between objects with different temperatures.
B) Internal energy is the sum of the energies of all the individual particles in a particular sample of matter.
C) If a system absorbs energy, its internal energy increases.
D) Kinetic molecular theory is related to the total molecular kinetic energy.
E) If the Kelvin temperature is doubled, the average kinetic energy is also doubled.