①有两个负根

②有两个实根，且一根比2大，另一根比2小

③有两个实根，且都比1大．

根据短文内容，从A、B、C、D四个选项中选择正确答案。

    Years ago, when Dad moved to the USA, I had to go to school in New York. I was worried.  How could I, an eight-year-old girl from 1, make friends in America?

    On my first day at Anna Silver School, I met Miss Green, my class 2. She spoke to me slowly and 3 to get me used to her American accent. When she discovered that I 4 drawing, she encouraged me a lot. Miss Green made sure that I could fit into her class easily, and before I knew it, I was already having 5 fun, just as other schoolgirls could.

    When Dad was sent back to India, I had to6 Anna Silver School.  I was 7 again Miss Green had planned to take us students for a 8 trip, but I had to say goodbye to them now.  So, with a 9 heart, I left my school and the USA.  Back in India, I received a package one day.  It was 10 Miss Green and my 24 classmates. They had written me a letter each, 11 me about the fishing trip. Miss Green said she 12 me very much. With her good wishes, she added, "Keep up with your drawing 13 you love it so much."

    I'm very 14 to Miss Green. She not only made a shy little 15 feel at home in a faraway country, but also taught me and my classmates to understand the importance of being kind to others at an early age.