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
Compound used for fixation of protozoa found in stool is: 
Select and explain. 
A. Phenol, B. Hypochlorite, C. Formalin, D. Alcohol
D: Alcohol
Answer: D: Alcohol 
Explanation: Ans. d. Alcohol