Harry Harlow Deprived Infant Monkeys of Contact with Their Mothers

Harry Harlow deprived infant monkeys of contact with their mothers

A) in an effort to manipulate the biological parents' behavior in getting access to their infants.
B) in an effort to raise physically healthy monkeys in a controlled environment.
C) in an effort to create psychologically and physically unhealthy animals.
D) against the advice of other researchers and the animal ethics committee recommendations.