<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 26-year-old man presents to his primary care physician for a routine physical exam. He is concerned about a burning sensation that he feels in his throat whenever he eats large meals and is concerned he may have esophageal cancer like his uncle. The patient has a past medical history of irritable bowel syndrome and constipation. His current medications include whey protein supplements, fish oil, a multivitamin, and sodium docusate. The patient is concerned about his performance in school and fears he may fail out. He recently did poorly on an exam and it has caused him significant stress. He also is worried that his girlfriend is going to leave him. The patient claims that he thought he was going to be an incredible doctor some day, but now he feels like a terrible person. The patient also states that he feels guilty about his grandfathers death which occurred 1 year ago and he often reexperiences the funeral in his mind. He regularly has trouble sleeping for which he takes melatonin. The patient has been praying every 4 hours with the hopes that this will make things go better for him. Which of the following is the most likely diagnosis?? A: Acute stress disorder, B: Depression, C: Generalized anxiety disorder, D: Obsessive compulsive disorder, E: Post traumatic stress disorder,  <response>: Based on the information provided in the question stem, the patient is experiencing significant distress and functional impairment in multiple areas of his life, including school, relationships, sleep, and mood. He is ruminating over past failures and his grandfathers death, and using prayer frequently as a coping mechanism. He exhibits excessive worry about multiple issues, including his physical health, school performance, and relationships. This presentation is most consistent with generalized anxiety disorder, which involves persistent and excessive anxiety and worry about a number of events or activities. The symptoms are present most days for at least 6 months. While he has some symptoms of depression and trauma-related distress, the pervasive anxiety and worry about multiple life domains points to generalized anxiety disorder as the most likely diagnosis.C: Generalized anxiety disorder 