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
Larval form in stool is found in ? 
Select and explain. 
A. Strongyloides, B. Ancylostoma duodenale, C. Necator americanus, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e., Strongyloides; 'b' i.e., Ancylostoma duodenale; c i.e., Necator americanas