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
Leukotoxin 
Select and explain. 
A. Kills neutrophils, B. Attracts neutrophils, C. Aggregates neutrophils, D. Enhances phagocyte activity
A: Kills neutrophils
Answer: A: Kills neutrophils 
Explanation: None