We students got lost in the forest and decided to remain ____we were and waited for the guide

A．where

B．what

C．how

D．who

考生文件夹中有Excel工作表如下：

按下列要求完成对工作簿的操作：

根据公式“D类汽车所占比例=D类汽车/(A类汽车+B类汽车+C类汽车+D类汽车)”计算字段D类汽车所占比率的值，慢示格式为：百分比、保留小数1位。计算各类汽车的“年平均销售量”，无小数位。