When an Observer Perceives Two Disks to Pass Through Each

When an observer perceives two disks to pass through each other with a brief sound as they overlap,

A) activity in the visual areas of the brain is greater than when the observer perceives the disks to bounce.
B) activity in the auditory areas of the brain is greater than when the observer perceives the disks to
Bounce.
C) both activity in the visual areas of the brain is greater than when the observer perceives the disks to bounce and activity in the auditory areas of the brain is greater than when the observer perceives the disks to bounce.
D) neither activity in the visual areas of the brain is greater than when the observer perceives the disks to bounce nor activity in the auditory areas of the brain is greater than when the observer perceives the disks to bounce.