单项选择题

有以下程序
void f(int b[]) {
int i;
for(i=2;i<6;i++) b[i]*=2;
}
main() {
int a[10]={1,2,3,4,5,6,7,8,9,10),i;
f(a);
for(i=0;i<10,i++)
printf("%d,",a[i]);
}
程序运行后的输出结果是()

A.1,2,3,4,5,6,7,8,9,10,
B.1,2,6,8,10,12,7,8,9,10,
C.1,2,3,4,10,12,14,16,9,10,
D.1,2,6,8,10,12,14,16,9,10,