So you're looking for 2 synonyms. B is the best answer, avert and prevent are synonyms of each other. The other choices are antonyms, or they're at least not synonyms.
<span>1. They underscore the fact that everyone makes mistakes. In modern vernacular, Shakespeare is saying 'if I made a mistake, and you can prove it, I won't complain.'</span>
It is thanks to his jealousy that the Frog becomes the sole singer at the end of the poem.
He envied the Nightingale's talent and therefore tricked the Nightingale into practicing so much it died. After the Nightingale's death, the Frog became the only (and therefore best) singer. The Frog's success was only possible due to his jealousy. If he had not been jealous of the Nightingale, the Frog would not have become the singer he became.
Introductory Sentence: This is the first sentence of the body paragraph. It should inform your readers of what you will be talking about in that passage. Make sure to keep it brief. An example of an introductory sentence is, "For holidays, my family sets up the decorations, cooks a meal, and invites all of the relatives over."
Supporting Sentences: These should support your introductory sentence. If you're talking about a holiday celebration, you may want to describe any traditions you have. (There are usually around 5 supporting sentences in each body paragraph.)
Concluding Sentence: This sentence should sum of the main idea of the paragraph and hint at what will be coming in the next passage so you can make a smooth transition.