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
True about Cryptosporidium are all except 
Select and explain. 
A. Spores are acid fast, B. Spores are chlorine resistant, C. Diagnostic form is sporulated Oocyst, D. Spores are larger than the other protozoa
D: Spores are larger than the other protozoa
Answer: D: Spores are larger than the other protozoa 
Explanation: Spores are 4-6 µm (small), Round.
Contains 4 sporozoites.