题目

完形填空。   When I was a teenager growing up in France, I wanted to leave school and have my own life. The only way I could   1   this was to work in the paper factory in my town, or get married. I was very nervous, then I told my   2    I wanted to leave school. I thought he would say, “  3  You are going to college(大学).” I was very   4   when he said, “OK. Let's go to the paper factory.”Two days later,   5  took me to the factory. I imagined everyone to be friends  6   together and having fun. I even imagined there would be music and singing. I   7�在Rt△ABC中，∠C=90°，如果sinA=，那么sinB的值是（　　）A. B. C. D.