What Was One of the Accidental Features of the Therapy

What was one of the accidental features of the therapy that had a positive impact on the outcome of Garrett's treatment for PTSD?

A) discussion of his decision to donate for a memorial to his wife
B) a feature article in the newspaper focused on several people who had overcome PTSD
C) the manufacturer of the car expressed a willingness to assist victims of car crashes like Garrett
D) his employer began an Employee Assistance Program, which made various forms of therapy available at low cost