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: Surgery
Which of the following is a secondary site of spread of odontogenic infection involving pterygomandibular space? 
Select and explain. 
A. Infra temporal space, B. Canine space, C. Buccal space, D. Sublingual space
A: Infra temporal space
Answer: A: Infra temporal space 
Explanation: None