Please answer the following question: Write a multi-choice question for the following article: Article: I was an only child up until the age of eight.Every time I saw other girls playing or sharing their secrets with their sisters or brothers,I would feel sad for myself .At Christmas I found out that I was soon to be a big sister.I had no idea how I would deal with a baby in our house.The little experience I had with kids taught me that I didn't really like them.They were always making trouble. My parents set off to the hospital one evening and planned to have the rest of my family and I come to the hospital later .To this day, I don't think I have gone through a more nerve-wracking experience than sitting in the hospital's waiting room.I was sleepless all night .When I was finally allowed to see my new baby sister , I was so scared.I reached out and when I got a hold of her,I fell in love with her. For the first time,holding my sister had an effect on whom I want to be and because of her,rather than my parents' frequent requests.I have set out goals to improve my future.I want to be her role model,someone she can respect.The past two years has seemed to go by very fast.I've watched her grow older;I have seen her learn to walk and learn to talk.The fear that she held over me seems so small now. Now you can see that the family is such an important part of my life:it has influenced who I am and who I want to be in my future.
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Question: What played the biggest part in the changes of the writer according to the passage?Options:A Her parents' requests.B Her school education.C Her hope to have a bright futureD Her parents and sister.Answer:D