DSM-III Classification,which Omited the Concept of Neurosis,was an Improvement Because

DSM-III classification,which omited the concept of neurosis,was an improvement because

A) each category now has a specific effective treatment.
B) now anxiety disorders are identified regardless of whether anxiety symptoms are expressed.
C) diagnostic criteria are now based on shared,observable symptoms and are more clearly defined.
D) each category is made up of symptoms that have one causal origin.