When Confronted with an Unusual Object, Infants Often Look to a Nearby

When confronted with an unusual object, infants often look to a nearby caregiver for an indication of how to react. When that caregiver ignores the infant:

A) both 7-and 10-month-old babies quickly give up and disregard that adult as a potential source of information.
B) 7-month-old babies begin to ignore the caregiver, whereas 10-month-olds persist in trying to elicit a response.
C) 7-month-old babies persist in trying to elicit a response, whereas 10-month-olds begin to ignore the caregiver.
D) both 7-and 10-month-old babies persist in trying to elicit a response from the caregiver.