题目

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 The relationship between parents and teachers is important in the development of a child. The good communication between them is communication that says, “I care about my child, and I value school. ” The best way a parent can show how much he or she values learning is by sending a prepared child to school everyday. Once a child gets behind in class, catching up can be difficult. Parents and teachers are partners in student development. A school community is built o在平面直角坐标系中，抛物线y=x2+1与x轴的交点的个数是（ ）A．3B．2C．1D．0