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': 'Periodontal diseases associated with neutrophil disorders include \nSelect and explain. \nA. Acute necrotizing ulcerative gingivitis, B. Localized juvenile periodontitis, C. Rapidly progressive periodontitis, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]