Option A answers the text best.
Answer:
Children can learn to help out by completing their chores.
Explanation:
"Their" specifies that it is plural which is also what "Children" specifies. If it were to be singular, you could put "A child can learn to help out by completing his or her chores."
I hope this helps :)
1. Important
2. Right
3. Racist
4. Cruel
5. Good