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
Low grade infection which leads to localized periosteal reaction is: 
Select and explain. 
A. Garre's osteomyelitis, B. Acute osteomyelitis, C. Condensing csteitis, D. Local alveolar osteitis
A: Garre's osteomyelitis
Answer: A: Garre's osteomyelitis 
Explanation: None