This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Growth, Development, and Behavior, Subject name: Pediatrics
[{'content': 'When does the child first attain this milestone? \nSelect and explain. \nA. 6 months, B. 7 months, C. 9 months, D. 12 months', 'role': 'user'}, {'content': 'Answer: C \nExplanation: c. 9 monthsImmature or assisted pincer grasp is shown in the picture, as the child is holding small objects using his thumb & index finger, but is taking help from other fingers also', 'role': 'assistant'}]