Which of the Following Is True of Evidence Based Practices

Which of the following is true of evidence based practices?

A) They are proven as the best treatment for a particular disorder
B) When compared against a control group, other treatments, or both, they have been shown to be efficacious.
C) They are treatments that clients prefer and state are the most efficacious
D) Therapists have selected these therapy methods as being the most efficacious based on their experience as clinicians.