We re from Canada,when we eat,we only put food on the plates

We re from Canada,when we eat,we only put food on the plates of...1.veryyoung or very old people.2.special guests and visitor.3.aunts uncles and cousins.应该选那一个啊`?意思就是我们来自加拿大,吃饭的时候我们只把食物放在...的盘子裏1.非常小或老的人.2.特别的客人和访者.3.阿姨、叔叔和表兄弟姐妹.越快越好...