为自己加油

请选择与划线部分对应的翻译：Dangerous, this Walkman? Yes and no. Everything comes in cycles. One day people will have had enough noise. They'll be brave. And, I'm certain, they'll take a good ballpoint pen and start making notes in books!

A.世间万物循环往复。
B.一切都是圆的。
C.一切都是圈。
D.世间万物都是圆的。