Which of the Following Is Accurate Regarding the Environmental Basis

Which of the following is accurate regarding the environmental basis of prosocial behavior:

A) in laboratory experiments, children who see people donate or share with others are likely to do the same
B) children whose parents model prosocial behavior by being warm, supportive, and positive to them are more prosocial and altruistic
C) children whose parents model prosocial behavior by being volunteering in the community are more prosocial and altruistic
D) all of the above