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
"Primary Amebic Meningoencephalitis" is caused by: 
Select and explain. 
A. Naeglaria, B. Giardia, C. Actinomyces, D. Anthrax
A: Naeglaria
Answer: A: Naeglaria 
Explanation: Naeglaria