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 does not include the clinical features of Chronic Osteomyelitis? \nSelect and explain. \nA. Excruciating pain and tenderness, B. Non healing bony and overlying soft tissue wounds with indurated soft tissue, C. Wooden character of bone, D. Draining sinuses', 'role': 'user'}, {'content': "Answer: A \nExplanation: → Pain and tenderness : The pain is minimal.\n→ Non-healing bony and overlying soft tissue wounds with induration of soft tissues.\n→ Intraoral or extraoral draining sinuses.\n→ Thickened or 'wooden' character of bone", 'role': 'assistant'}]