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
Most common site for staphylococcus carrier: 
Select and explain. 
A. Skin, B. Nose, C. Oropharynx, D. Perineum
B: Nose
Answer: B: Nose 
Explanation: Ans. is. b. Nose