有以下程序struct S{int n;int a[20];};void f(int * a,int n){int i;for(i=0;i<n-1;i++)a[i]+=i;} main(){int i;struct S S={10,{2,3,1,6 , 8,7,5,4, 10,9}};f(s.a,s.n);for(i=0;i<s.n;i++)printf( %d, ,s.a[i]);}程序运行后的输出结果是【 】。
A.2,4,3,9,12,12,11,11,18,9,
B.3,4,2,7,9,8,6,5,11,10,
C.2,3,1,6,8,7,5,4,10,9,
D.1,2,3,6,8,7,5,4,10,9,