According to the Authors,one Powerful Way to Instill Helpfulness in Children

According to the authors,one powerful way to instill helpfulness in children is to

A) instruct them that helping others is the right thing to do.
B) reward successive approximations to altruism.
C) remind them to empathize with others.
D) reward prosocial acts with praise and hugs.
E) punish selfish acts and reward helpful acts.