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: Pathology
[{'content': 'In which of the following conditions pulsations or\nmurmur may be detected \nSelect and explain. \nA. Capillary hemangioma, B. Osteogenic sarcoma, C. Epidermoid carcinoma, D. Osteoid osteoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]