Frank Tells His Friend That He Is Madly in Love

Frank tells his friend that he is madly in love with Marie and that it feels like he's high.There is some element of truth to that because Frank's brain

A) is releasing the neurotransmitter serotonin.
B) is using glucose at a faster rate.
C) is very active in areas that experience reward and release dopamine.
D) chemicals are completely out of balance,much like a heroin addict.
E) is flooded with norepinephrine making him dizzy.