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
Optic nerve consists of axons of: 
Select and explain. 
A. Ganglion cells, B. Bipolar cells, C. Rods and cones, D. All of the above
A: Ganglion cells
Answer: A: Ganglion cells 
Explanation: Ans. Ganglion cells