In Australia, Infants Who Spend Full Days in Government-Funded Child-Care

In Australia, infants who spend full days in government-funded child-care centers

A) show a mild decrease in saliva concentrations of cortisol across the day.
B) have a higher rate of secure attachment than infants informally cared for by relatives, friends, and babysitters.
C) have a lower rate of secure attachment than infants informally cared for by relatives, friends, and babysitters.
D) exhibit defiance and disobedience in middle childhood.