All of the Following Were Mentioned as Criticisms of Lawrence

All of the following were mentioned as criticisms of Lawrence Kohlberg's model of moral reasoning EXCEPT:

A) Kohlberg's model utilized a potentially culturally biased conception of "justice."
B) Kohlberg's model focuses too much on moral thinking and not enough on moral behaviour.
C) Few people ever reach the postconventional level of reasoning.
D) Studies show that frequently children skip stages of moral reasoning.