All but Which of the Following Are Generally True of Diagnoses

All but which of the following are generally true of diagnoses?

A) Almost all professional counselors use them these days.
B) They are critical for treatment planning.
C) Minorities are generally misdiagnosed at higher rates than whites.
D) One generally uses the DSM-IV-TR in making a diagnosis.
E) Natural helpers generally come up with nonresearched diagnosis from popular literature.
F) All of the above are true.