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: Pediatrics
[{'content': 'A child of 3 years will be able to: March 2009 \nSelect and explain. \nA. Copy circle, B. Ride bicycle, C. Copy cross, D. Copy triangle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Copy Circle Copying a circle: 3 years Rides tricycle: 3 years Copies cross: 4 years Copying triangle: 5 years', 'role': 'assistant'}]