What will be the output of the following C code (run without any command line arguments)?

#include <stdio.h>
int main(int argc, char *argv[])
{
    while (argc--)
    printf("%s\n", argv[argc]);
    return 0;
}

A. Compile time error

B. Executablefilename

C. Segmentation fault

D. Undefined

Answer: Option B