The right answer for the question that is being asked and shown above is that: "to convince the reader that Huck’s father has the ability to be funny." Twain’s most likely intention for employing humor within this quotation is to convince the reader that Huck’s father has the ability to be funny<span>
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Answer c seems the most reasonable, but b could work as well
This logical fallacy is called "ad hominem", which means "to the man" in latin. It means that, instead of debating about the specific question, you rather attack the person, in an attempt to discredit him and his words.
It is a logical fallacy because, when debating about anything, you should always and only talk about the actual point, instead of considering who said what.
If a serial killer claims that 2+2 equals 4, you can say something like "don't listen to him! He's a serial killer!". Yes, he may be one of the worst human being to have ever lived, but it doesn't change that this specific claim he made is true.
