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: Psychiatry
[{'content': 'A medical student could not deliver a seminar, fearing seniors. He is aware of the irrationality of his fear. Likely diagnosis is - \nSelect and explain. \nA. Agoraphobia, B. Social phobia, C. Claustrophobia, D. Specific phobia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It is typical example of social phobia in which the medical student has irrational fear of performing activity (delivering seminar) in front of seniors (scrunity by seniors).', 'role': 'assistant'}]