A. The compressor draws in refrigerant vapor and pumps our refrigerant liquid.
B. The compressor draws in liquid refrigerant from the evaporator and pumps out superheated refrigerant to the condenser.
C. The compressor draws in low pressure superheated refrigerant and pumps out high pressure superheated refrigerant.
D. The compressor draws in high pressure superheated vapor and pumps out low pressure superheated vapor.