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': 'All are the requirements of the classification of a partially edentulous arch; Except \nSelect and explain. \nA. It should permit immediate visualization of the type of partially edentulous arch that is being considered., B. It should permit immediate differentiation between the tooth-supported and the tooth- and tissue-supported removable partial denture., C. It should be universally acceptable., D. None of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]