The Focus on Neuroscience Box, "Seeing Faces and Places in the Mind's

The Focus on Neuroscience box, "Seeing Faces and Places in the Mind's Eye," reports on an fMRI study of mental imagery. What was the central question being investigated in the fMRI study?

A) whether or not each emotion activates the same areas of the brain
B) whether forming a mental image activates a different part of the brain than that used in solving an arithmetic problem
C) whether a mental image of a scene or object activates the same brain areas that are involved in the perception of the actual scene or object
D) whether auditory mental images and visual mental images activate the same brain area