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