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
In pupillary reflex nerve tested is: 
Select and explain. 
A. 2nd, B. 3rd, C. Both 2nd and 3rd, D. 4th
C: Both 2nd and 3rd
Answer: C: Both 2nd and 3rd 
Explanation: Ans. Both 2nd and 3rd