Justin Is Considering a Career, but He Wants to Make

Justin is considering a career, but he wants to make sure that he can apply the knowledge he has gained regarding lifespan development and so make a difference in the world. Justin can't decide among psychology, education, or politics. What should Justin be told?

A) "Because development is a discipline within psychology, this is the field that has the most direct application."
B) "Education is based upon the principles of developmental psychology and changing young lives changes the future, so this field has the most direct application."
C) "Informed political policies are based on the results of research in development that will have an impact on everyone's lives, so this is the field that has the most direct application."
D) "All of these fields rely on knowledge about development and all have the potential to make a difference in the world, so you can't go wrong with any choice among these."