Which logical fallacy is used in the text?
You argue that vegetarianism can have a positive impact on the environment, but why should we believe you? I've seen you eat bacon!
A. slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences
B. appeal to nature: the assumption that natural things are always good
C. ad hominem: an attack against the person making the argument, rather than the argument itself
Select the correct answer from the provided options and reply with the letter associated with it.

C