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
"Erythema chronicum migrans" is caused by - 
Select and explain. 
A. B. burgdorferi, B. Toxoplasma gondii, C. Toxocara canis, D. Stronglyloides stercoralis
A: B. burgdorferi
Answer: A: B. burgdorferi 
Explanation: None