Consider the following C program: #include <stdio.h> int r(){ static int…

Consider the following C program:

#include <stdio.h>
int r(){
    static int num=7;
    return num--;
}

int main(){
    for (r();r();r())
         printf(“%d”,r());
    return 0;
}

Which one of the following values will be displayed on execution of the programs?