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: Microbiology
Nagglers reaction is used in the diagnosis of 
Select and explain. 
A. Malaria, B. Whooping cough, C. Gas gangrene, D. Wool sorters disease
C: Gas gangrene
Answer: C: Gas gangrene 
Explanation: None