Recent Research on Lawrence Kohlberg's Stages of Moral Development Has

Recent research on Lawrence Kohlberg's stages of moral development has concluded that:

A) Kohlberg had stages 2 and 3 reversed.
B) children's different moral judgments are consistent within the stage that they are in.
C) even in adulthood,postconventional reasoning is relatively uncommon.
D) it is not uncommon for children to skip a level of moral development.