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
ANUG is best visualized 
Select and explain. 
A. Crater like lesions, B. Severe gingivitis, C. Recession of gingiva, D. None
A: Crater like lesions
Answer: A: Crater like lesions 
Explanation: None