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: Ophthalmology
[{'content': 'Typical appearance of diabetic cataract is – \nSelect and explain. \nA. Sunflower type, B. Breadcrumb type, C. Polychromatic lusture, D. Snow flake appearance', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Typical diabetic cataract is a snowflake or snow-storm cataract.', 'role': 'assistant'}]