<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 20-year-old man comes to the physician because of decreasing academic performance at his college for the past 6 months. He reports a persistent fear of catching germs from his fellow students and of contracting a deadly disease. He finds it increasingly difficult to attend classes. He avoids handshakes and close contact with other people. He states that when he tries to think of something else, the fears keep returning and that he has to wash himself for at least an hour when he returns home after going outside. Afterwards he cleans the shower and has to apply disinfectant to his body and to the bathroom. He does not drink alcohol. He used to smoke cannabis but stopped one year ago. His vital signs are within normal limits. He appears anxious. On mental status examination, he is oriented to person, place, and time. In addition to starting an SSRI, which of the following is the most appropriate next step in management?? A: Motivational interviewing, B: Cognitive-behavioral therapy, C: Psychodynamic psychotherapy, D: Interpersonal therapy, E: Group therapyn,  <response>: This appears to be a case of obsessive-compulsive disorder OCD characterized by obsessive thoughts about germs and contamination as well as compulsive behaviors involving excessive hand washing and cleaning. The symptoms are causing significant distress and impairment in the patients academic functioning. The question asks about the most appropriate next step in management in addition to starting an SSRI antidepressant. Choice A, motivational interviewing, is used for substance use disorders and would not be the most appropriate intervention here. Choice C, psychodynamic psychotherapy, focuses on past experiences and the unconscious, which does not directly target OCD symptoms. Choice D, interpersonal therapy, focuses on interpersonal relationships, which does not appear relevant. Choice E, group therapy, can be helpful for OCD but would not be the most appropriate next step. Choice B, cognitive-behavioral therapy CBT, directly targets the maladaptive thoughts and behaviors seen in OCD. CBT helps patients challenge irrational fears, reduce compulsions through exposure therapy, and develop healthier coping strategies. Combined with an SSRI, CBT would be the most appropriate next step for this patient with OCD.B: Cognitive-behavioral therapy 