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
Phlegmon is a 
Select and explain. 
A. Sexually transmitted disease, B. Type of celtulites, C. Type of osteomyelitis, D. Venereal disease
B: Type of celtulites
Answer: B: Type of celtulites 
Explanation: None