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
Best X-ray to determine age of 7 years child: Maharashtra 10 
Select and explain. 
A. Hand and wrist, B. Foot and ankle, C. Pelvis, D. Shoulder
A: Hand and wrist
Answer: A: Hand and wrist 
Explanation: Ans. Hand and wrist