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
A child changes rattle from one hand to the other hand at the age of: 
Select and explain. 
A. 3 months, B. 6 months, C. 12 months, D. 15 months
B: 6 months
Answer: B: 6 months 
Explanation: Ans. B. 6 monthsA child transfers object, or changes rattle from one hand to the other hand by the age of 5-7 months. Therefore, here the best answer is 6 months.