The inference is that the author's decision to use the word waded affect the text as it C. It emphasizes that the floor was thickly covered with dirt and litter.
It should be noted that an inference simply means the conclusion that can be deduced based on the information that is conveyed in the story.
From the story, it was stated that every time you walked on the floor or rather cut your way through the passengers seated on the floor, you waded through dirt.
Therefore, the inference is that the author's decision to use the word waded affect the text as it emphasizes that the floor was thickly covered with dirt and litter.
In conclusion, the correct option is C.
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