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: Anatomy
[{'content': "The sensitivity of casoni's test is \nSelect and explain. \nA. 50%, B. 60%, C. 75%, D. 90%", 'role': 'user'}, {'content': "Answer: B \nExplanation: The sensitivity of casoni's test ranges from 55-65%", 'role': 'assistant'}]