This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'Hardoleum internum is - \nSelect and explain. \nA. Acute infection of Zeis gland, B. Acute infection of Moll gland, C. Acute infection Meibomian gland, D. Chronic infection of Zeis gland', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Suppurative inflammation of meibomian gland associated with blockage of the duct. Ref:Ak khurana 6th edition REF IMG', 'role': 'assistant'}]