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
Bacterial species seen in skin ? 
Select and explain. 
A. Lactobacillus, B. Streptococcus pneumonia, C. Bacterioides fragilis, D. Propionobacterium
D: Propionobacterium
Answer: D: Propionobacterium 
Explanation: Ans. is 'd' i.e., Propionobacterium