Which of the Following Is Generally True Regarding the Various

Which of the following is generally true regarding the various mental health professions?

A) Over the years, the professional roles have tended to blur, such that the activities of various types of mental health professionals now overlap.
B) Over the years, the ability to prescribe medicine, which once belonged exclusively to psychiatrists, has spread to most mental health professions.
C) Although some overlap may occur in other areas, clinical psychologists are still the only mental health professionals who can ethically conduct psychotherapy.
D) Although some overlap may occur in other areas, clinical psychologists are still the only mental health professionals who can ethically conduct psychological testing.