What is Gilligan's primary criticism of Kohlberg's theory of moral reasoning?

A) Kohlberg's theory does not fully explain moral reasoning at Stages 4 and 5.
B) Kohlberg's theory is at odds with Piaget's theory and little research has been conducted on its validity.
C) Kohlberg's theory does not account for language differences between males and females.
D) Kohlberg's theory, originally based on interviews with males, does not adequately represent morality of girls and women.

B