there were six people at the table ,and they asked waiter for __and__

问题描述:

there were six people at the table ,and they asked waiter for __and__
a two cups of tea;four coffee b two teas;four coffee
c two teas;four coffees d two cup of tea;four cup of coffee
哪个选择是对的?

选C
原因:coffee和tea都既可以当可数名词也可以当不可数名词您能告诉我为什么么?我个人认为是a么,很困惑假如给A的coffee加上S后就对,给B的coffee加上S后就对,给D的两个cup加上S也对回答完毕!