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
Necrotising ragged ulceration with no apparent inflammatory response is indicative of: 
Select and explain. 
A. Leucocytosis, B. Polycythemia vera, C. Sickle cell anemia, D. Agranulocytosis
D: Agranulocytosis
Answer: D: Agranulocytosis 
Explanation: None