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': 'Carisolv which is a chemicomechanical substance used\nfor caries removal: \nSelect and explain. \nA. It contains glycine and lysine, B. It does not contain 0.5 NaoCl, C. It has a pH of 7, D. It contains erythrocin dye', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]