题目

 -You couldn’t have chosen any gift better for me. -______. A. Oh，I’d choose a better one for you next time.B. You’ve had a gift for music，haven’t you? C. I’m glad that you like it so much.           D. Sorry，but don’t blame me，dear. 答案：C右图是计算的函数值的程序框图，则=　　 　　．