20. All of the following statements are true EXCEPT
(A) children who are diagnosed with conduct disorder show early antisocial behavior but the incidence of this behavior rapidly decreases with development
(B) children who are diagnosed with conduct disorder regularly act in ways that violate social norms
(C) children who are diagnosed with conduct disorder show a callous insensitivity in social interactions
(D) children who are diagnosed with conduct disorder regularly transgress in ways that impinge on other's rights