Choose the correct sentence.

A.
On the department stores's third floor, you can find childrens' toys, girls dresses's, and boys athletic shoes's.

B.
On the department store's third floor, you can find children's toy's, girl's dress's, and boy's athletic shoe's.

C.
On the department store's third floor, you can find children's toys, girls' dresses, and boys' athletic shoes.

D.
On the department store's third floor, you can find childrens toy's, girls dress's, and boy's athletic shoe's.