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: Forensic Medicine
[{'content': 'Best X-ray to determine age of 7 years child: Maharashtra 10 \nSelect and explain. \nA. Hand and wrist, B. Foot and ankle, C. Pelvis, D. Shoulder', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Hand and wrist', 'role': 'assistant'}]