The answer would be A: A labeled diagram of a car engine. This would show the viewers what each part is and where it goes in order to rebuild the engine.
Her flowers dumped out on the side of the road
This final chapter depicts the complete transformation (not only in name) from Animal Farm to Manor Farm. There will never be a "retirement home" for old animals (as evidenced by Clover), and the pigs come to resemble their human oppressors to the degree that "it was impossible to say which was which."
The completion of the second windmill marks not the rebirth of Snowball's utopian vision, but a further linking of the animals and humans: Used not for a dynamo but instead for milling corn (and thus making money), the windmill's symbolic meaning has (like everything else) been reversed and corrupted. Animal Farm is now inexorably tied to its human neighbors in terms of commerce and atmosphere.