The significance of this quote is Montag's realization of what his job is actually about and what it implies. He became a fireman because he was meant to. However, he is now haunted by this new feeling and does not know anymore what is right and what is wrong.
I would say the correct answer is B. Then he sprang out of bed, and shook himself violently! No, no nose any more!
This sentence differs from the other ones that you've given us because it seems more active, more lively. There is something actually happening here, and the exclamation marks show that it is happening fast. All of these together make the sentence somewhat amusing, at least as opposed to the other ones here.
The correct answer is B.
The solution to the stray cat problem is aggressive spay and neuter policies. This claim is both arguable and defensible because you can defend the claim by using documented spay and neuter policies saying that they work but you can also argue the claim by using the documented spay and neuter policies saying that they don't work.
<span>The answer is slogan. This is an unforgettable motto or expression used in a commercial, government, spiritual, and other setting as a monotonous expression of an impression or determination, with the objective of encouraging members of the community or a clearer target group.</span>
