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': 'Composition of super EBA includes all except: \nSelect and explain. \nA. ZOE, B. Alumina., C. Orthoethoxy benzoic acid., D. Glacial acetic acid.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]