This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Which of the following is most common cause of hypotension in fracture ribs (T10-T12) \nSelect and explain. \nA. Abdominal solid visceral organ injury, B. Injury to aorta, C. Inter costal artery damage, D. Pulmonary contusion', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]