It helps to ´Introduce´ the main idea of the paragraph.
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The answer is alliteration.
—Evidence—
•-Alliteration definition: the occurrence of the same letter or sound at the beginning of adjacent or closely connected words.
•- In the first part where it says “Today’s class will be silly, simple and singlehandedly...” it mentioned the same letter which is the letter S.
The Ace of Spades in a card deck is a legendary card.
I would say the answer is A...because 1.) you dont know the occasion and 2.) it could be a funeral and you go there and start saying a humorous speech.
Hope this helps!