An Illuminating Study Performed by Harry Harlow Examined Attachment Behaviors

An illuminating study performed by Harry Harlow examined attachment behaviors in rhesus monkeys.Harlow raised some monkeys with cloth "mothers" and others with wire "mothers." He found that

A) monkeys preferred wire mothers.
B) monkeys preferred cloth mothers.
C) monkeys received no comfort from touching the cloth.
D) male monkeys preferred wire mothers,while female monkeys preferred cloth mothers.