Using MRI Techniques, Researchers Have Observed That, When They Are

Using MRI techniques, researchers have observed that, when they are exposed to pictures of strangers, shy people exhibit

A) less activity in the amygdala than those who are bold.
B) greater activity in the hippocampus than those who are bold.
C) greater activity in the amygdala than those who are bold.
D) less activity in the hippocampus than those who are bold.