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," reported on an fMRI study of mental imagery. In the study, the researchers compared brain scans of volunteers who were:

A) listening to music versus looking at paintings.
B) looking at an actual scene versus imagining the same scene.
C) imagining a sound versus imagining a smell.
D) watching a scary video versus imagining something scary happening to them.