A-A+ Which group of people below has the highest ra 2022-08-05 18:53:45 问答库 阅读 171 次 问题详情 Which group of people below has the highest rate of cell phone ownership？ ______A．20-year-olds.B．40-year-olds.C．60-year-olds.D．80-year-olds.请帮忙给出正确答案和分析，谢谢！ 参考答案 正确答案：B
