Is It Possible to Transfer Energy from a Low-Temperature Reservoir

Multiple Choice

Is it possible to transfer energy from a low-temperature reservoir to a high-temperature reservoir?

A) No, this violates the conservation of energy.
B) No, this violates the second law of thermodynamics.
C) Yes, this is what a heat engine does, and it can happen without the engine doing work.
D) Yes, this is what a refrigerator does, and it can happen without the refrigerator doing work.
E) Yes, this is what a refrigerator does, and the refrigerator must do work to make this happen.