Can you identify the logical fallacy in this claim? “we shouldn’t allow a liar like Zhao Zhi to represent us in this competition." A: post hoc B: guilt by association C: oversimplification D: begging the question

Can you identify the logical fallacy in this claim? “We have a new Math teacher. And my Math turns out to be a disaster this semester. The new Math teacher is responsible for my poor performance. ” A: guilt by association B: begging the question C: oversimplification D: post hoc