Difference in level of intelligence, morality and of course power. The animals have a social class system, even though it is never mentioned by the animals. This book was written about the Russian Revolution of 1917 and symbolises the political system of communism and its flaws.
The answer is:
The animals <em><u>scrambled </u></em>to get into the barn as the lightning <em><u>struck</u></em>.
In the chosen sentence, both verbs in the different clauses are consistent ad accurate because they are written in the Past Simple tense.
The rest of the options are incorrect because the tense of the verbs is not related to each other: they wrongly combine past and present, and present and future tenses.
The right version of them are the following:
<em>Alexander </em><em>finished </em><em>his math test and </em><em>walked </em><em>to Mr. Smith's desk.
</em>
<em>
Sampson and Raina </em><em>watch </em><em>the fireworks and </em><em>comment </em><em>on how beautiful they are.
</em>
<em>
The police officer </em><em>rounded </em><em>the corner and pumped his arms harder.</em>
Vivid words help to bring the work to life and to make it seem more real
the answer you're looking for would be satire
