How Do "Prosocial Dilemmas" Used to Assess Children's Prosocial Reasoning

How do "prosocial dilemmas" used to assess children's prosocial reasoning differ from the moral dilemmas used by Kohlberg and Piaget?

A) Kohlberg's and Piaget's dilemmas assessed moral reasoning, whereas prosocial dilemmas do not.
B) Whereas prosocial dilemmas focus on breaking rules or laws, the dilemmas employed by Kohlberg and Piaget involve having to decide whether to help someone, often at some personal expense.
C) Prosocial dilemmas involve having to decide whether to help someone, often at some personal expense, whereas the dilemmas employed Kohlberg and Piaget focus on breaking rules or laws.
D) Prosocial dilemmas are used by sociocultural researchers, whereas the dilemmas used by Kohlberg and Piaget are favoured cognitive-developmental researchers.