This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Motor Milestones, Subject name: Pediatrics
[{'content': 'Which of the following milestones is not developed at 1 year? \nSelect and explain. \nA. Stand without suppo, B. Plays peek a boo, C. Can speak "mama", "papa", D. Draws a circle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A child is able to copy a circle at 3 years age', 'role': 'assistant'}]