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: Pediatrics
A boy can grasp a rattle & recently he become able to transfer objects, hand to hand. He can do – 
Select and explain. 
A. Babble, B. Say 'mama' or dada, C. Sit without support, D. Stand with support
A: Babble
Answer: A: Babble 
Explanation: A child is able to grasp an object (palmar grasp) at the age of 7 months.
A child can transfer the object form one hand to another by the age of 5-7 months.
So, the age of this child is 7 months.
A 7 months old child can do :-


Holds the objects with crude grasp from palm (palmar grasp)
Pivots
Shows stranger anxiety
Resists if a toy is pulled from his hand
Babbles

About other options

A child produces bisyllable sound (mama, dada) and stands with support by 9 months.
A child sits without support by 8 months.