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
A 1 & 1/2 year child can do – 
Select and explain. 
A. Build tower of 4 blocks, B. Scribble, C. Copies parents in task, D. All of these
D: All of these
Answer: D: All of these 
Explanation: None