Which statement regarding the second law of thermodynamics is true?

A.
Heat can transfer from a cold to a hot body without converting a certain amount of work to heat energy.

B.
Heat cannot transfer from a hot to a cold body without converting a certain amount of work to heat energy.

C.
Heat cannot transfer from a cold to a hot body without converting a certain amount of work to heat energy.

D.
Heat cannot transfer from a cold to a hot body without transferring mass first.