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
Which one of the following does not commonly survive in a periapical lesion? 
Select and explain. 
A. Pseudomonas, B. Streptococcus, C. Porphyromonas, D. Actinomyces
A: Pseudomonas
Answer: A: Pseudomonas 
Explanation: None