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: Pathology
[{'content': "One of the following syndrome is characterized by an esophageal web with resulting dysphagia, atrophic changes in the mucous membranes of the mouth and a hypochromic microcytic anemia \nSelect and explain. \nA. Marfan's syndrome, B. Plummer-vinson syndrome, C. Meckels syndrome, D. Sjogren's syndrome", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]