MrGleim Suffers from Generalized Anxiety Disorder

Mr.Gleim suffers from generalized anxiety disorder.One day when he was watching a news program on television,a psychologist was interviewed and claimed he has discovered a cure for panic attacks.Mr.Gleim should be cautious of this new treatment if it

A) has been subjected to scientific experiments and the results have been replicated.
B) claims to have cured most of the patients.
C) has been compared to other treatments that have been shown to be helpful.
D) has been accepted by the scientific community.