<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 32-year-old woman comes in to see her physician because she has had undiagnosed abdominal pain for the past 3 and a half years. Her pain is not related to meals and does not correspond to a particular time of day, although she does report nausea and bloating. In the past two years she has had two endoscopies, a colonoscopy, and an exploratory laproscopy - without any results. She is very concerned because her mother has a history of colon cancer. The patient has been unable to work or maintain a social life because shes constantly worrying about her condition. What is this patients most likely diagnosis?? A: Somatic symptom disorder, B: Functional neurologic symptom disorder, C: Hypochondriasis, D: Factitious disorder, E: Body dysmorphic disorder,  <response>: This is a clinical vignette describing a patient with a long history of abdominal pain and associated symptoms like nausea and bloating. She has undergone extensive medical workup including endoscopies, colonoscopy and laparoscopy which have been unrevealing. There is a family history of colon cancer which is concerning to the patient. The chronic symptoms have impaired her occupational and social functioning. The key features are medically unexplained symptoms, excessive worry about having a serious illness despite negative workup, and significant distress and impairment.A: Somatic symptom disorder 