What is the output of this program?

#include<stdio.h>
#include<stdlib.h>
#include<fcntl.h>
 
int main()
{
    int fd, new_fd;
    char *buff;
    buff = (char *)malloc(sizeof(char)*8);
    fd = open("test.c",O_RDONLY);
    new_fd = dup(fd);
    close(fd);
    read(new_fd,buff,8);
    printf("%s\n",buff);
}

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

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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