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: ENT
Hot potato voice seen in 
Select and explain. 
A. Quinsy, B. Retropharyngeal Abscess, C. Ludwig's Angina, D. Glottic carcinoma
A: Quinsy
Answer: A: Quinsy 
Explanation: None