Which of the following is a True Statement? PLEASE EXPLAIN ANSWER

Question

A) It is possible for heat to flow spontaneously from a hot body to a cold one of from a cold one to a hot one, depending on whether or not the process is reversible or irreversible.

B) It is impossible to transfer heat from a cooler to a hotter body.

C) It is not possible to convert work entirely into heat.

D) The second law of thermodynamics is a consequence of the first law of thermodynamics.

E) All of these statements are false.

E. Statements A-D are false.

why