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
"Chagas Disease" is caused by: 
Select and explain. 
A. Trypanosoma, B. Brucella, C. Trichenella, D. Baonella
A: Trypanosoma
Answer: A: Trypanosoma 
Explanation: Trypanosoma