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
[{'content': 'Odynophagia means: \nSelect and explain. \nA. Pain during swallowing, B. Difficulty in swallowing, C. Bad odour from mouth, D. Psychiatric disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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.', 'role': 'assistant'}]