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': 'Gangrene due to known infectious agents: \nSelect and explain. \nA. Wet, B. Dry, C. Pyodermatous gangrene, D. Mourner’s gangrene', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In case of superimposed bacterial infection, coagulative necrosis is modified by the liquefactive action of the bacteria and the attracted leukocytes (resulting in so-called wet gangrene)', 'role': 'assistant'}]