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: Social & Preventive Medicine
Byssinossis occurs with 
Select and explain. 
A. Sugarcane fibers, B. Silica fibers, C. Cotton fibers, D. Carbon particles.
C: Cotton fibers
Answer: C: Cotton fibers 
Explanation: None