When Infants Look Longer at "Impossible" Events Than at "Possible

Multiple Choice

When infants look longer at "impossible" events than at "possible" events,

A) their response must be confirmed with a simultaneous physiological response
B) researchers agree that infants are showing their sophisticated understanding of aspects of their environment and the objects or people in it
C) some researchers believe that infants are displaying surprise
D) researchers have evidence of parental bias and influence on infants' responses