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
[{'content': 'This milestone is achieved by the age of ____________ \nSelect and explain. \nA. 6 months, B. 10 months, C. 12 months, D. 18 months', 'role': 'user'}, {'content': 'Answer: B \nExplanation: 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', 'role': 'assistant'}]