<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 58-year-old man presents to the emergency department with severe right leg pain accompanied by tingling and weakness. His condition started suddenly 3 hours ago when he was watching a movie. His medical history is remarkable for type 2 diabetes mellitus and hypertension. He has been smoking 2030 cigarettes per day for the past 35 years. His vital signs include a blood pressure of 14985 mm Hg, a temperature of 36.9C 98.4F, and an irregular pulse of 96min. On physical examination, his right popliteal and posterior tibial pulses are absent. His right leg is pale and cold. Which of the following is the most likely diagnosis? ? A: Leriche syndrome, B: Buergers disease, C: Acute limb ischemia, D: CREST syndrome, E: Deep vein thrombosis,  <response>: Based on the information provided in the question stem, the most relevant details are:- 58-year-old man with sudden onset severe right leg pain, tingling, and weakness - Medical history of type 2 diabetes, hypertension, and long-term smoking- Vital signs show high blood pressure, low grade fever, and irregular pulse - Physical exam shows absent right popliteal and posterior tibial pulses, pale and cold right legThese findings point towards acute arterial occlusion leading to acute limb ischemia. The sudden onset in a patient with vascular risk factors like diabetes, smoking, and likely atherosclerosis indicates thromboembolism as the most likely cause.C: Acute limb ischemia 