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
Cold abscess formation is due to 
Select and explain. 
A. Presence of acute inflammation, B. Formation of caseous pus with signs of acute inflammation, C. Formation of caseous pus without signs of acute inflammation, D. Infected cyst
C: Formation of caseous pus without signs of acute inflammation
Answer: C: Formation of caseous pus without signs of acute inflammation 
Explanation: None