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: Dental
[{'content': 'By what age a child can hold the film: \nSelect and explain. \nA. 1 year, B. 2 year, C. 3 year, D. 4 year', 'role': 'user'}, {'content': 'Answer: C \nExplanation: <3 year parents hold the film.\nAbove 3 years child can hold.', 'role': 'assistant'}]