完形填空，阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。

　　When you’re a teenager, a huge problem might be that you just have to have a new CD, 　　1　　 your parents won't give you the money for it．I thought life was so

　　unfair when things like this happened-until September 11, 2001．

　　I was in P．E．when the planes hit the World Trade Center and the Pentagon．As soon as I got home and for weeks after, I saw the disaster shown on TV．Seeing the innocent people running for their 　　2　　 as the debris(瓦砾)started coming down the fire and smoke rose out of the buildings brought tears to my eyes．I couldn't help imagining what the people on the 　　3　　 and in the buildings were thinking and going through, not 　　4　　 what was going on．I admired the courage of the firefighters who rushed in and risked their own lives to 　　5　　 others．It tore my heart apart to watch the hopeless looks on the faces of so many people who didn't know if their loved ones were dead or alive while 　　6　　 in all the debris．

　　Then it 　　7　　 me： All my life I had thought mainly of myself．I had it easy in life and had been taking it all for granted．

　　A feeling of coldness ran down my back, and I cried just thinking of the possibility that it could have easily 　　8　　 to my family．My mom or dad could have been killed like that, and I would never, ever see them again．I began to evaluate what a real need in life was．

　　This disaster 　　9　　 me that awful things can happen to anyone at any time．Now when my mom or dad or sister go somewhere, even if it's just to the store, I try to remember to tell them that I love them because I know there is a 　　10　　 that I may never tell them that again．

　　Not getting a new CD is not going to make or 　　11　　 my life．I can live with those kinds of problems．But losing someone I love would 　　12　　 make my life miserable．

　　9/11 showed me just what I am．

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