This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Developmental-Behavioral Screening and Surveillance, Subject name: Pediatrics
Which of the following milestone is achieved at 36 months - 
Select and explain. 
A. Drawing a rectangle, B. Building a tower of 20 cubes, C. Riding a tricycle, D. Skipping
C: Riding a tricycle
Answer: C: Riding a tricycle 
Explanation: Ans. is 'c' i.e., Riding a tricycle Milestones seen at 36 monthso Rides tricycleo Stands momentarily on one footo Draws a circle.o Can dress or undress himself completely and succesfully buckles his shoeso Builds tower of 10 cubeso Knows his gender and ageo Repeats a sentence of 6 syllableso Has a vocabulary of 250 wordso Counts 3 objects correctlyo Can withhold and postpone bowel movemento Handedness is established