Which Statement Disagrees with the Second Law of Thermodynamics

Which statement disagrees with the second law of thermodynamics?

A) The disorder of a system and its surroundings decreases overall with time.
B) Chemical energy may be converted to light energy.
C) Only a portion of the total energy of a system is available to do work.
D) Potential energy may be used to do work.
E) During energy conversion, some energy can be lost as heat.