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
Height of child acquire 100 cm in? 
Select and explain. 
A. 2.5 year, B. 3.5 year, C. 4.5 year, D. 5.5 year
C: 4.5 year
Answer: C: 4.5 year 
Explanation: Ans. is 'c' i.e., 4.5 year