Which of the Following Statements Best Reflects Behavioral Economists' Views

Which of the following statements best reflects behavioral economists' views on self-interest versus the interests of others?

A) Self-interest dominates human behavior; even seemingly selfless behavior is driven by self-interest.
B) Most people care so deeply about others that self-interest is a minor consideration in their decision making.
C) The system is most efficient when people focus solely on their self-interest and allow the invisible hand to work out what is best for society.
D) People are always self-interested to a degree, but their behavior is also affected by moral and ethical considerations.