The Text Suggests That Our Current Classification Is Categorical Because

The text suggests that our current classification is categorical because

A) it is based on the medical model and a categorical approach to physical diseases.
B) categorical systems have better predictive validity than dimensional systems.
C) dimensional systems are not amenable to empirical study.
D) decisions to intervene in mental disorders are usually categorical.
E) symptom counts are related to outcome variables in a linear manner.