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: Social & Preventive Medicine
Not seen in faecal pollution – 
Select and explain. 
A. Staphylococcus, B. Streptococcus, C. E. coli, D. Clostridium perfringens
A: Staphylococcus
Answer: A: Staphylococcus 
Explanation: None