What will be the output of the program?

#include<stdio.h>
#include<stdarg.h>
void dumplist(int, ...);
int main()
{
dumplist(2, 4, 8);
dumplist(3, 6, 9, 7);
return 0;
}
void dumplist(int n, ...)
{
va_list p; int i;
va_start(p, n);
while(n-->0)
{
i = va_arg(p, int);
printf("%d", i);
}
va_end(p);
printf("\n");
}
A.
2 4
3 6
B.
2 4 8
3, 6, 9, 7
C.
`
4 8
6 9 7
D.
1 1 1
1 1 1 1