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': 'One of the following systemic diseases involving periodontal tissue is not a disorder of neutrophil function \nSelect and explain. \nA. Agranaulocytosis, B. Chediak-Higashi syndrome, C. Leukemia, D. Cyclic neutropenia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]