What Is the Biggest Difference Between Psychological Treatment Today and Psychological

What is the biggest difference between psychological treatment today and psychological treatment 20 years ago?

A) Treatment today has eliminated the psychodynamic approaches popular decades ago, as they have been thoroughly debunked by scientific research.
B) Treatment today emphasizes scientific evidence to guide approaches to treatment. This is called evidence-based treatment (EBT) .
C) Treatment today can only be conducted by a trained physician-a psychiatrist-if it is to be paid for by a third-party insurance company.
D) Treatment today requires the use of medication for a period of time before psychotherapy can be employed, whereas medications were largely ignored 20 years ago.