<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 31-year-old man comes to the emergency department because of chest pain for the last 3 hours. He describes the pain as a sharp, substernal chest pain that radiates to the right shoulder; he says Please help me. Im having a heart attack. He has been admitted to the hospital twice over the past week for evaluation of shortness of breath and abdominal pain but left the hospital the following day on both occasions. The patient does not smoke or drink alcohol but is a known user of intravenous heroin. He has been living in a homeless shelter for the past 2 weeks after being evicted from his apartment for failure to pay rent. His temperature is 37.6C 99.6F, pulse is 90min, respirations are 18min, and blood pressure is 12585 mm Hg. The patient seems anxious and refuses a physical examination of his chest. His cardiac troponin I concentration is 0.01 ngmL N 00.01. An ECG shows a normal sinus rhythm with nonspecific ST-T wave changes. While the physician is planning to discharge the patient, the patient reports numbness in his arm and insists on being admitted to the ward. On the following day, the patient leaves the hospital without informing the physician or the nursing staff. Which of the following is the most likely diagnosis?? A: Conversion disorder, B: Factitious disorder, C: Malingering, D: Illness anxiety disorder, E: Somatic symptom disorder,  <response>: This is a clinical case scenario about a 31-year-old man presenting with chest pain and other vague symptoms. The key details are:- History of chest pain, shortness of breath, and abdominal pain resulting in multiple recent hospital visits and leaving against medical advice- Homeless, history of heroin use - Vital signs are normal- Refuses physical exam, but insists on admission- Normal cardiac workup- Leaves hospital without informing staff the next dayBased on the history of dramatic symptoms without objective findings, along with evidence of psychosocial stressors and malingering behavior, this suggests a factitious disorder or malingering. The insistence on admission and leaving against medical advice point more towards malingering than factitious disorder.C: Malingering 