题目

 －Why not go to see the dolphin show with me? －Because I _______ it. A. saw B. will see C. see D. have seen 答案：D百花小学六年级有250名同学，参加课外兴趣小组分布情况如图．①参加音乐兴趣小组的同学比参加体育小组的同学少多少人？②参加其它兴趣小组的同学有多少人？③根据题目条件自己提出问题，并列式解答．