<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 57-year-old male presents to his primary care physician with upper abdominal pain. He reports a 3-month history of mild epigastric pain that improves with meals. He has lost 15 pounds since his symptoms started. His past medical history is notable for gynecomastia in the setting of a prolactinoma for which he underwent surgical resection over 10 years prior. He has a 15-pack-year smoking history, a history of heroin abuse, and is on methadone. His family history is notable for parathyroid adenoma in his father. His temperature is 98.8F 37.1C, blood pressure is 12580 mmHg, pulse is 78min, and respirations are 18min. This patients symptoms are most likely due to elevations in a substance with which of the following functions?? A: Decrease gastric acid secretion, B: Decrease gastrin secretion, C: Increase pancreatic bicarbonate secretion, D: Increase pancreatic exocrine secretion, E: Promote gastric mucosal growth,  <response>: This is a clinical vignette describing a 57-year-old male with a 3-month history of epigastric pain that improves with meals and 15 lb weight loss. Key aspects of his history include gynecomastia due to a prolactinoma, smoking, heroin abuse, and family history of parathyroid adenoma. His vital signs are normal. The question asks which substance, if elevated, would most likely cause his symptoms. Based on the epigastric pain that improves with meals and weight loss, this patient likely has peptic ulcer disease. Peptic ulcers can be caused by increased gastric acid secretion, so the substance we are looking for is one that increases gastric acid.E: Promote gastric mucosal growth 