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
True about Y. Pestis -a) Gram +veb) Gram -vec) Motiled) Non-motilee) It is coccobacilli 
Select and explain. 
A. abc, B. ade, C. bde, D. bce
C: bde
Answer: C: bde 
Explanation: None