阅读下面短文，从短文后所给的A、B、C、D四个选项中选出能填入相应空白处的最佳选项。

    My name is Brad. I'm 1 Sichuan. I'm a(n) 2 monkey and I am only one year old. I like eating 3 and bananas are my favorites. I like forests(森林),but now I live in a 4 . I am in a big cage(笼子) 5 other monkeys. People like me and often give me some fruist to eat. 6 I'm not really happy. 7? Because I can't live with my parents and I can't climb trees(爬树) here. Every day, I get up in the cage. I eat food in the cage. I 8 and relax in the cage. I really want to 9 my parents and climb trees in the forests. Dear people, animals are your 10. We live in the same world. Please let us live in the forests, not in the cages.

填入下面文字横线上且与下文衔接最恰当的一项是（     ） 。

事实上，水是一个整体，河流只是水的一个成长阶段， ①              ，  ②                     一瞬间才算完成它的生命过程。水的成长方式从一开始便呈现出智慧的思考，   ③                        。

20世纪80年代我国农村改革的主要内容是（　　）