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': 'Fundus in retinitis Pigmentosa is – \nSelect and explain. \nA. White spots with red disc, B. Jet–black spots with pale–waxy disc, C. No pigmentation, D. Dilatation of arterioles', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]