This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: ENT
Odynophagia means: 
Select and explain. 
A. Pain during swallowing, B. Difficulty in swallowing, C. Bad odour from mouth, D. Psychiatric disease
A: Pain during swallowing
Answer: A: Pain during swallowing 
Explanation: Ans. a (Pain during swallowing). (Ref. Diseases of ENT by PL Dhingra /3rd 402, 444)TermDefinationOdynophagiapainful deglutition.Dysphagiadifficulty in deglutition.Dysphagia lusoriaesophageal compression due to aberrant vessel, leading to dysphagia.Globus hystericusa psychiatric condition characterized by dysphagia.Halitosisbad odour from mouth.