Why did a lot of kids have chains around the...

Câu hỏi: Why did a lot of kids have chains around their necks with keys attached?

A. They had to use the keys to enter their houses when they came home.

B. Schools didn’t allow them to wear jewelry, so they wore keys instead.

C. They were fully grown and had become independent.

D. They had to use the keys to enter their houses when they came home.