单项选择题

有以下程序 struct S{int n;int a[20];}; void f(int * a,int n) {int i; for(i=0;i
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,