FMRI Studies Have Examined the Brains of People Who Are

fMRI studies have examined the brains of people who are intensely in love while thinking about the object of their affection. These studies have discovered which of the following?

A) The prefrontal cortex, associated with decision making, shows intense activation while thinking about the lover.
B) sex differences in the amount of overall brain activity while imagining the lover
C) The reward centers of the brain show increased activation while thinking about the lover.
D) Brainstem activity decreases when subjects are visualizing the lover.