This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Anatomy
Which organism has a special predilection towards placenta? 
Select and explain. 
A. Neisseria meningitides, B. Haemophilus influenzae, C. Moraxella catarrhalis, D. Brucella
D: Brucella
Answer: D: Brucella 
Explanation: Brucella has special predilection towards placenta, probably due to the presence in it of erythritol, which has a stimulating effect on brucella in culture Ref: Textbook of microbiology; Ananthanarayan and paniker's; 10th edition; Pg:347