The correct answer of the given question above would be option D. The event that did not happen on the Zuckerman farm in the summer is this: <span> swallows and sparrows sing. It is the birds that are singing and not the swallows and sparrows. Hope this is the answer that you are looking for. </span>
I think the correct answer from the choices listed above is option B. The theme that is emphasized in the excerpt from "Ode on a Grecian Urn" by John Keats is that the <span>unfulfilled desires and dreams seem sweeter. It is can be seen from the lines:
</span>Heard melodies are sweet, but those unheard
Are sweeter; therefore, ye soft pipes, play on;
<span>Not to the sensual ear, but, more endear'd,</span>
<span>forgoing worldly possessions is the correct one</span>
What kind of examples do you need?