This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
The child rolls over by - 
Select and explain. 
A. 3 months, B. 5 months, C. 7 months, D. 8 months
B: 5 months
Answer: B: 5 months 
Explanation: Ans. is 'b' i.e., 5 months Age Milestone 3 Month Neck holding 5 Month Rolls over 6 Month Sit with support 8 Month Sit without support 9 Month Stand with support 12 Month Stand without support Walk with support 15 Month Walk alone, creep upstair