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
Ovoid areas if destruction parallel to dentinal tubules, which are formed by focal coalescence and breakdown of a few dentinal tubules are called as: 
Select and explain. 
A. Eburnated dentin., B. Liquefaction foci., C. Affected dentin., D. Infected dentin.
B: Liquefaction foci.
Answer: B: Liquefaction foci. 
Explanation: None