The Dopamine D2 Hypothesis Suggests This Receptor Subtype

The Dopamine D2 hypothesis suggests this receptor subtype

A) is involved in the termination of drug-induced euphoria.
B) is found mainly in regions of the brain involved in planning and risk assessment, but not in the reward cascade.
C) is found mainly in regions of the brain involved in the reward cascade.
D) was once considered a possible contributor to the development of SUDs, but this theory has since been proven false.