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
A/E seen in spring catarrh – 
Select and explain. 
A. Follicles, B. Pseudogerontoxon, C. Shield's ulcer, D. Tranta's spot
A: Follicles
Answer: A: Follicles 
Explanation: None