先通读下面短文，掌握其大意，然后在每小题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

    I often watched a little girl playing basketball on the playground near my house. She would 1 shooting over and over again， sometimes until dark. One day I asked her 2 she practiced so hard. She said，"I like basketball. I want to play for the top basketball team. I want to be the 3. My daddy told me if the dream is big enough，the facts don't count(重要). "

    I watched her 4 those high school years. One day， I saw her sitting on the grass，head in her arms. I walked to her and asked what was wrong. "Oh，nothing， " she said. "I am just not that tall. " The coach(教练)told her that she was too 5 to play for a top team. She was very 6 . I asked her if she had talked to her 7 about it yet. She told me that her father said those coaches were 8 .They just did not understand the power(力量)of a 9 .He told her that nothing could 10 her but one thing-her own attitude(态度)-if she really wanted to play for a good basketball team. He told her again，"If the dream is big enough， the facts don't count. " The next year， she was asked to join the NCAA(全美大学生体育协会)women's basketball team.

下列反应中属于氧化反应但不属于化合反应是 (   )