题目

在下面一段文字横线处补写恰当的句子，使整段文字语意完整连贯，内容贴切，逻辑严密，每处不超过15个字。人类是自然万物的一种，自然界到处是人类的弟兄。人在接触自然的过程中，由于互相间有某种联系，①__。看到流逝的江水，会想到时光的一去不返；看到再生的小草，②____。在寂静的山林里，会平息烦躁的心情；面对暴风雨，会释放被压抑的情感。单是一个秋天，③____。它的萧瑟，会带来寂寞和感伤；它的成熟，会带来喜悦和满足；它的 －I had tried many times, but still failed in the experiment． －Don't be discouraged．________ and you will surely meet success． [　　] A． Having a little effort B． There being a little effort C． A bit more effort D． If you have a bit of effort