This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Ophthalmology
[{'content': 'middle aged women with B/L proptosis with restricted ocular movements and chemosis is euthyroid what is probable diagnosis \nSelect and explain. \nA. Orbital cellulitis, B. Thyroid ophthalmspathy, C. Pseudotumor of orbit, D. orbital lymphoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: ref : ak khurana 7th ed', 'role': 'assistant'}]