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: Gynaecology & Obstetrics
The sexual development is considered is precocious if there is breast and public hair growth before the age of : 
Select and explain. 
A. 8 years, B. 9 years, C. 10 years, D. 11 years
A: 8 years
Answer: A: 8 years 
Explanation: 8 years