Answer:
The warm, vibrant room evaporates into a brisk, solitude.
Explanation
Look up words to make the sentence more awake. Try the Thesaurus. Try embedding the one sentence I typed into your sentence it could work. Maybe come up with other words.
The schools were racially seperated .
The answer is D.) tangible
i think it it is stimution
B, or A, i think B because the first half was figurative language. I hope my answer helped.