单项选择题以下程序运行后的输出结果是______。#include<stdjo.h>void reverse(int a[],int n){int i,t;for(i=0;i<n 2;i++){t=a[i];a[i]=a[n-1-i];a[n-1-i]=t;}}mam(){int b[10]={10,9,8,7,6,5,4,3,2,1);int i,s=0;reverse(b,10);for(i=0;i<3;i++)s+=b[i];printf( %d n ,s);}
A.27
B.6
C.25
D.30