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
Lateral pharyngeal space is not connected directly by: 
Select and explain. 
A. Buccal space, B. Sublingual space, C. Submandibular space, D. Retropharyngeal space
A: Buccal space
Answer: A: Buccal space 
Explanation: None