This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth and development, Subject name: Pediatrics
This milestone is achieved by the age of ____________ 
Select and explain. 
A. 6 months, B. 10 months, C. 12 months, D. 18 months
B: 10 months
Answer: B: 10 months 
Explanation: At 10 months Sits up alone and indefinitely without suppo Pulls to a standing position Walks holding furniture Grabs objects with thumb and forefinger Pokes at things with forefingers Uncovers hidden toy Mama, dada sounds (repetitive consonant sounds) Responds to the sound of a name Plays Peek-a-boo Waves bye-bye Ref : Nelson 20th edition pg no : 67