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。
【正确答案】：A
【题目解析】：everything指世间万物，是泛指。everything做主语，谓语动词用单数。cycle是指循环往复，并不是在说是圆的，而是指“周期性地”。
