In the Past Few Decades,classification of Psychiatric Disorders Has Been

In the past few decades,classification of psychiatric disorders has been augmented with elements of a prototype model.When applied to psychiatric diagnosis,this implies that

A) not all people receiving the same diagnosis have exactly the same set of symptoms.
B) all people receiving the same diagnosis have the exact same set of symptoms.
C) people with the same diagnosis,but a different set of symptoms,will still require the same treatment for their diagnosis.
D) members of the same diagnostic category will generally resemble each other in level of impairment and in prognosis.