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: Pathology
[{'content': 'which of the following decreases the plaque formation process hence Anticariogenic: \nSelect and explain. \nA. Ammonia, B. Urea., C. Chlorophyll, Nitrofurans, D. All of the above.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]