Bloom argues that infants show a preference for prosocial over antisocial characters. . .

A. Because they use their parents or the researcher as a social reference.
B. Because it was evolutionarily adaptive for infants to be able to identify and affiliate with prosocial over antisocial individuals.
C. Because they have been rewarded for their preference of helpers in their past experience.
D. Because they experience empathy when they see others in pain, and thus avoid characters that cause pain.