题目

After I mastered my first concerto(协奏曲) at age fourteen, my parents decided to get me a nice violin. I tried out dozens of instruments before I found my match: a German violin. It was beautiful, but what I liked best about it was its voice. Confident and strong, it was everything I longed to be. I'm not sure how much that violin cost, but my parents made me promise never to let it out of my sight. They didn't understand that dragging a large violin case run counter to my daily middle school task of being invisible. I was a strange absent-minded kid. When I spoke up in class, my c读下面程序框图，完成⑴——⑵题。 ⑴循环体执行的次数是（   ）.A.50                B.49                C.100               D.99⑵程序输出的结果为（    ）.A.5 049             B.4 850              C.2 450              D.2 550