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
Amoebae not found in human intestine: 
Select and explain. 
A. E. histolytica, B. E. colt, C. E. nana, D. E. gingivalis
D: E. gingivalis
Answer: D: E. gingivalis 
Explanation: Ans. d. E. gingivalis