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': 'The most rigid palatal major connector is \nSelect and explain. \nA. A-P palatal bar, B. Palatal plate, C. Palatal bar, D. Horse shoe shaped palatal bar', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]