生产资料的资本主义私人占有方式，决定了剩余价值由资本家占有的资本主义分配方式；生产资料的社会主义公有制，决定了社会主义企业实行有利于劳动者的按劳分配制度。这表明（  ）

根据短文理解，从A、B、C、D四个选项中选择最佳答案填空。

    It's Saturday. We don't have 1 to school. My father is 2 these days, and he still works at his office. My mother is an English teacher. She 3 work today. So I'm going shopping with 4 this afternoon. We have a lot of things 5. Look at our shopping list. We are going to buy some food and drinks. So we must go to the supermarket first. We live 6 the supermarket, so we are going to7 there. And we must go to some clothes shops. It's cold now. I have an old scarf. I want my mother to buy a new one8 me. I also want to buy a CD for Jack. It's his 9 birthday tomorrow. I think we are going to have dinner in a restaurant because we may have no time 10.

①中学时代是人生发展的一个新阶段      ②中学时代是可以为所欲为的时代

③中学时代是可以早恋的时代                  ④中学时代见证着一个人从少年到青年的生命进阶