若有定义与语句 “ int x; float y; scanf("%3d%f",&x,&y);printf("%d\t%f",x,y); ”, 若要求变量 x 和 y 分别从键盘获得输入值 12 和 123.0 , 则下面输入数据错误的是 ________ 。
A.
12□ 123↙ ( □表示空格, ↙表示,下同)
B.
12 ↙ 123↙
C.
12,123↙
D.
012123↙
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