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': 'Mass media includes the following \nSelect and explain. \nA. Audiovisual aids, B. Panel discussion and group discussion, C. Newspapers and television, D. Symposium and seminar', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]