"potent scent" instead smell, "went wild with hysteria" instead of wild laughter, there is a mistake it should be "grand finale" not grand finally.
Answer:
The author's word choice help to express the tone of the excerpt since The negative connotations of the words "tensely," "clutching," and "sizzled" give the excerpt a tone of nervousness.
Explanation:
The use of the words "tensely," "clutching," and "sizzled" are indeed giving a more powerful meaning to the general idea of this excerpt, if this moment had been written without using any of this strong words, the level of tension on Louise Carpenter could not have been almost tangible to the reader as they create expectation and an increment of stress.
D. Sometimes he recites lists of prime numbers.
Please let me know if it's wrong
1, because it is supported throughout the whole paragraph.