题目

阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。It was a Saturday inJune, 1988. Out of a 16-year-old's early tiring summer, I had set up a tent(帐篷) in our rural yard and intended to sleep in it, but I stayed in thehouse to finish watching the Lakers' play-off game. It was almost midnight andDad had been asleep upstairs for hours when someone knocked at the front door.It never happened to me not to answer it. To my surprise, it wasa girl about my age with a bloody cut on her head. Hi. I'm Maria. What'swrong with you? I asked her抛物线y＝－的焦点坐标为 [　　] A．(0，)　　　B．(0，－) C．(，0)　　　D．(－，0)