7.Macie, a ten-month-old, has been prescnted with many pictures of other infants. She grows bored and doesnot look long at each of these pictures. According to researchers, Macie is experiencing_______ at this stage. And after a while, when the rescarchers present the image of an older man, Macie becomes quiteattentive and looks much longer at this new image. According to researchers, Macie is now experiencing__________.
(A) dishabituation； habituation
(B) habituation； dishabituation
(C) dishabituation； dishabituation
(D) habituation； habituation