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': 'Most sensitive pa of eye is: \nSelect and explain. \nA. Fovea centralis, B. Macula lutea, C. Blind spot, D. Temporal retina', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Fovea centralis', 'role': 'assistant'}]