题目

阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。Back on the first day ofschool, Ms. Ryan told all the children that at the end of the year there wouldbe a class party. Everyone was very excited. Slowly but 1,fall turned into winter and winter turned into spring. Soon it was time to 2 the party. Ms. Ryan posted a list of thingsfor students to bring. All the food would be 3 with everyone. Logan 4 cupcakes.One night, Mom said toLogan, “I can't believe tomorrow is the 5 day of school. 如图，平面直角坐标系中，点A、B、C在x轴上，点D、E在y轴上，OA=OD=2，OC=OE=4，B为线段OA的中点，直线AD与经过B、E、C三点的抛物线交于F、G两点，与其对称轴交于M．（1）求经过B、E、C三点的抛物线的解析式；（2）若点P为线段FG上一个动点（与F、G不重合），当P在什么位置时，以P、O、C为顶点的三角形是等腰三角形，请求出此时点P的坐标；（3）若点P为直线FG上一个动点，Q为抛物线上任一点，抛物线的顶点为N，探究以P、Q、M、N为顶点的四边形能否成为平行四边形？若能，请直接写出点P的坐标；若不能，请说明理由．