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: ENT
[{'content': "Gradenigo's syndrome is characterised by -a) Retro orbital painb) Profuse discharge from the earc) VII nerve palsyd) Diplopia \nSelect and explain. \nA. abd, B. bcd, C. abc, D. ab", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]