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
Acid-fast oocysts are seen in- 
Select and explain. 
A. Cryptosporidium, B. Isospora, C. Cyctospora, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Acid fast parasites

1. Cryptosporidium parvum
2 Cyclospora sp
3. Isospora belli
4. Taenia saginata → → → → Oocyst Egg