有以下程序#include<stdio.h>main(){int a[]={2,3,5,4},i;for(i=0;i<4;i++)switch(i%2){case 0:switch(a[i]%2){case 0:a[i]++;break;case 1:a[i]--;}break;case 1:a[i]=O;}for(i=O;i<4;i++)prinff(“%d”,a[i]);prinff(“\n”);}程序运行后的输出结果是
A.3 3 4 4
B.2 0 5 0
C.3 0 4 0
D.0 3 0 4