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: ENT
White patch in the throat may be due to - 
Select and explain. 
A. Streptococcus, B. Actinomycetes, C. Sporotrichosis, D. All of these
A: Streptococcus
Answer: A: Streptococcus 
Explanation: Streptococcus causes pyogenic membranous tonsillitis, and Borrelia vincenti (Vincent's angina) and diphtheria can cause membrane over the tonsil.