Answer:
Option B is correct.
Step-by-step explanation:
Given : Statement - Strong childrens education is essential to the progress of any nation.
To fix : The sentence by following the apostrophe rule.
Solution :
A- Strong childrens' education is essential to the progress of any nation.
According to apostrophe rule, (s') this sign uses to join the two words
So, it is not applicable in this sentence.
B- Strong children's education is essential to the progress of any nation.
According to apostrophe rule, (s') this sign uses to show that one person or thing is a member of something.
So, it is applicable in this sentence.
C- Strong childrens education is essential to the progress' of any nation.
According to apostrophe rule, (s') this sign uses to join the two words and progress' not validate it and also children is a plural word so it not end with s.
So, it is not applicable in this sentence.
D - Strong childrens education is essential to the progres's of any nation.
According to apostrophe rule, children is a plural word so it not end with s.
So, it is not applicable in this sentence.