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: Pediatrics
Characteristics of SMR-2 in boys ? 
Select and explain. 
A. Appearance of pubic hair, B. Appearance of axillary hair, C. Enlargement of scrotum, D. All of above
C: Enlargement of scrotum
Answer: C: Enlargement of scrotum 
Explanation: Ans. is 'c' i.e., Enlargement of scrotum