B
B is the only complete sentence and explains what your piece will be about.
Answer:
Zoo are source of education to the children. Wild animals should be kept in Zoo so that children get to know the different types of animals present in the jungle.
Explanation:
Wild animals should be kept in zoo. Their natural habitat should be maintained and it should be ensured that they are not harmed in the zoo. Wild animals should be kept safe in the zoo so they are not source of harm to the visitors. Children come to zoo for education purpose. It is easier for the kids to watch and memorize different types of animals present in the zoo.
