题目

As researchers learn more about how children’s intelligence develops, they are increasingly surprised by the power of parents. The power of the school has been replaced by the home. To begin with, all the factors which are part of intelligence－the child’s understanding of language, learning patterns, curiosity－are established well before the child enters school at the age of six. Study after study has shown that even after school begins, children’s achievements have been far more influenced by parents than by teachers. This is particularly true about learning that is language-15．图中几种动物生活在南极地区的是（　　）A．①②B．②③C．①③D．②④