This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Motor Milestones, Subject name: Pediatrics
A child can make a tower of 6 cubes at the age of? 
Select and explain. 
A. 36 months, B. 18 months, C. 12 months, D. 24 months
D: 24 months
Answer: D: 24 months 
Explanation: A child can make a tower of 6 cubes at 2 years. -tower of 2 cubes at 15 months, 3 cube tower at the age of 18 months