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': 'Average filler content seen in macrofilled composites is: \nSelect and explain. \nA. 60-70 % by weight, B. 50-60 % by weight, C. 70-80 % by weight, D. 65-75 % by weight', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]