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: Dental
In ICDAS — II, score 2 indicates? 
Select and explain. 
A. First enamel visual change, B. Distinct enamel change, C. Microcavitation, D. Underlying dentin shadow
B: Distinct enamel change
Answer: B: Distinct enamel change 
Explanation: None