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: Dental
Enterococcus faecalis in post treatment periodontitis 
Select and explain. 
A. Cultured easily and disinfected, B. Disinfected with saline and hydrogen peroxide, C. Tolerate pH upto 11.5, D. Treated with intra canal medicaments
C: Tolerate pH upto 11.5
Answer: C: Tolerate pH upto 11.5 
Explanation: None