Given below is a sentence that may or may not be grammatically correct, choose the most suitable alternative that makes the sentence grammatically correct. If the highlighted sentence does not require any corrections, choose option (5) as your answer choice.
The childs’ brain started developing the day the child enters the world.
1
The child’s brain started developing the day the child enters this world.
2
The child’s brains starts developing the day the child enter the world.
3
The childs’ brains starts developing the day the child has entered this world.
4
The child’s brain starts developing the day the child enters this world.
5
No correction required.