Which logical fallacy is used in the text?
I don't trust Professor Stewart's findings. Another researcher at her university was caught falsifying data. So, it's likely Professor Stewart has, too.
A. circular reasoning: an argument that supports a claim with the claim itself
B. slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences
C. guilt by association: a negative association intended to discredit someone or something
Identify the correct option from the choices provided and respond with the letter of the correct option.

C