-How would you like to drink your coffee,milk or sugar?-_______.A All B None C Both D Each

题目

-How would you like to drink your coffee,milk or sugar?-_______.A All B None C Both D Each
为什么选C而不能选D，理由是什么，

答案

both:两个都(用于肯定）例子：Both the students are girls.（这两个学生是女生.）-----专用于两个
each:每个(表个体)例子：Each student has a pen.（每个学生有一枝笔.）-------用于两个以上