What is the output of this progarm?

#include<stdio.h>
#include<unistd.h>
 
int main()
{
    execl("/bin/ls","ls",NULL);
    return 0;
}

A. countw B. wcount C. wc D. count p E. None of the above

A. dm B. rm C. delete D. erase E. None of the above

A. rdir B. remove C. rd D. rmdir E. None of the above

A. x B. y C. a D. z E. None of the above