【单选题】

请读程序：#include＜stdio.h＞main(){int a;float b,c;scanf("%2d%3f%4f",&a,&b,&c);printf("\na=%d,b=%f,c=%f\n",a,b,c)}若运行时从键盘上输入987643210

则上面程序的输出结果是______。A．a=98，b=75,c=4321
B．a=10,b=432,c=8765
C．a=98,b=765.000000c=4321.000000
D．a=98，b=765.0,c=4321.000000