This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy, Subject name: Ophthalmology
[{'content': 'The retina receives its blood supply from all, except- \nSelect and explain. \nA. Posterior ciliary artery, B. Central retinal artery, C. Retinal arteries, D. Plexus of Zinn and Haller arteries', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans- A.', 'role': 'assistant'}]