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
Stye is inflammation of ? 
Select and explain. 
A. Zeis' gland, B. Meibomian gland, C. Glands of Manz, D. Lacrimal glands
A: Zeis' gland
Answer: A: Zeis' gland 
Explanation: Ans. is 'a' i.e., Zeis' gland