Answer: D) CBT cognitive behavioral therapy
Explanation: Cognitive behavioral therapy (CBT) is a type of psychotherapeutic treatment which is used to treat a wide range of disorders, these disorders includes; addictions, anxiety, phobia as well as depressions.
Cognitive behavioral therapy (CBT) is mostly centred around talking i.e the therapist talks to the patients to help them alter the way they sees things (perceptions) which could bring relief to their difficulties.
So Karen might best be helped by a cognitive behavioral therapist to help her overcome her phobia.