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: Pathology
Tooth discoloration because of increase amount of bilirubin: 
Select and explain. 
A. Chlorodontia., B. Acrodontia, C. Trochodontia, D. None of the above
A: Chlorodontia.
Answer: A: Chlorodontia. 
Explanation: None