Suraya is writing a report for class. He needs to correct the punctuation and grammar usage mistakes. Read the paragraphs from the draft and answer the question that follows. Many countries observe children’s day on June 1. It is the day to honor children. It is the day to protect children. Officially, children’s day is different in many countries. It has been called as a special day since 1950. The united nations (UN), a group of many countries, listed many rights of the child. These are in the document the declaration of the rights of the child. It talks about both the basic needs rights of children around the world. That is why, a child has the right to go to school to build his or her own future.

In many places, not all children can easily get an education. Those, like the UN, work to change this. They also teach children about the ways to have a not only happy and healthy life. The UN helps grownups take care of children and free them from many problems like child labor, war, illness, etc. Altogether, children’s day reminds children and grownups how children should live every day.
Problem:

Which choice best corrects the sentence?

A. Officially, children’s day is different in many Countries.

B. Officially, Children’s day is different in many countries.

C. Officially, children’s Day is different in many countries.

D. Officially, Children’s Day is different in many countries.