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 normally developing 10 months old child should be able to do all of the following except – 
Select and explain. 
A. Stand alone, B. Play peak to boo, C. Pick up a pellet with thumb and index finger, D. Build a tower of 3–4 cubes
D: Build a tower of 3–4 cubes
Answer: D: Build a tower of 3–4 cubes 
Explanation: A child starts trying to build a tower of cubes (2 cubes) by the age of 1 year.

About other options

Child can stand with support by 9 months.
Child can play peak-a-boo game by 10 months.
Child can pick up a pellet with thumb and index finger (pincer grasp) by 9 months.