Which logical fallacy is used in the text?
Bert is not qualified to run the Environmental Club. Have you seen his sister's huge, horrifically inefficient car? The planet cries whenever she turns on the ignition.
A. slippery slope fallacy: the false assumption that a small first step will lead to extreme consequences
B. false dichotomy: an argument that presents only two choices when more options exist
C. guilt by association: a negative association intended to discredit someone or something
Answer with the option's letter from the given choices directly.

C