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
Causative agents of "Vincent's angina" 
Select and explain. 
A. Borrelia vincenti and fusobacterium fusiformis, B. Borrelia recurrents and bacteroides, C. Borrelia burgoloferi and lactobacillus, D. Leptospira and Treponema pallidum
A: Borrelia vincenti and fusobacterium fusiformis
Answer: A: Borrelia vincenti and fusobacterium fusiformis 
Explanation: None