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
Which type of enlargement is seen in puberty? 
Select and explain. 
A. Interdental papillae appear bulbous but facial gingiva is not affected, B. Interdental papillae and facial gingiva both are enlarged, C. Interdental gingiva, marginal gingiva and attached gingiva all are enlarged, D. Both marginal gingiva and attached gingiva are enlarged
B: Interdental papillae and facial gingiva both are enlarged
Answer: B: Interdental papillae and facial gingiva both are enlarged 
Explanation: None