When an Infant Habituates to a Stimulus,such as a Picture

When an infant habituates to a stimulus,such as a picture,

A) the infant will pay more attention to the stimulus as it becomes more familiar.
B) the infant's heart rate will drop as the stimulus becomes more familiar.
C) the infant's behaviour does not change as the stimulus becomes more familiar.
D) the infant will pay less attention to the stimulus as it becomes more familiar.