单选题

#include <stdio.h>int main(){ int i,j,a[5]={2,9,11,13,15};for(i=0;i<5;i++){for(j=2;j<=a[i]-1;j++) if(a[i]%j==0) break;if(j==a[i]) printf("%3d",a[i]);}return 0;}

Question

A. 2 11 13

B. 11 13

C. 2

D. 9 15