Which of the Following Is Not a Basic Objective of the DSM

Which of the following is not a basic objective of the DSM classification scheme?

A) It must provide necessary and sufficient criteria for correct differential diagnosis.
B) It provides theoretically neutral criteria, i.e. not favouring one theoretical approach over another.
C) It provides criteria specifying type and length of treatment.
D) It provides diagnostic criteria in a way that allows them to be applied systematically by different clinicians in different settings.