This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
[{'content': 'A 35-year old lady presented with dysphagia>> nocturnal asthma and weight loss for 6 years. The most probable diagnosis is - \nSelect and explain. \nA. Achalasia cardia, B. Lye stricture of esophagus, C. Gastroesophageal reflux diseae, D. Cancer esophagus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: <P>Davidson&;s principles and practice of medicine 22nd edition #Achalasia cardia is presented with dysphagia ,episodic chest pain due to oesophageal spasm,nocturnal pulmonary aspiration, weight loss.</p>', 'role': 'assistant'}]