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': "Complications of acute sinusitis: \nSelect and explain. \nA. Orbital cellulitis, B. Pott's puffy tumor, C. Conjunctival chemosis, D. All", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]