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
The main reservoir for entamoeba histolytica is 
Select and explain. 
A. Man, B. Diy water, C. Soil, D. Ponds
A: Man
Answer: A: Man 
Explanation: Ans. is `a' i.e., Man