Research Indicates That Parental Warmth Can Come from Parental Beliefs

Research indicates that parental warmth can come from parental beliefs about how to best rear their children, from parents' tendencies to imitate the behavior of their own parents, and

A) by adopting the parenting styles of their friends.
B) by taking a parenting class.
C) through possible genetic factors.
D) through their own children's insistence.