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
Hanging drop method is used for- 
Select and explain. 
A. Trichomonas, B. Plasmodium, C. Toxoplasma, D. Cryptosporidium
A: Trichomonas
Answer: A: Trichomonas 
Explanation: None