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
Mass treatment with azithromycin is indicated if prevalence of trachoma follicles (TE) in 1-9 years population is more than 
Select and explain. 
A. 4%, B. 6%, C. 8%, D. 10%
D: 10%
Answer: D: 10% 
Explanation: D i.e. 10%