What Recent Changes Have Altered the Types of Therapy That

What recent changes have altered the types of therapy that are available?

A) There is an increased need to prove that therapy is effective.
B) Psychiatrists are hesitant to write prescriptions for many drugs.
C) The increased use of nurses as therapy providers has increased the use of drugs in many community health settings.
D) Many popular therapies have been found to do more harm than good.