The answer is A, Humor I’m pretty sure he used humor, he was on Ted Ed, and he told a story about an animal “chewing on the internet” he was also making jokes and references the whole time. I’m pretty sure It is humor.
For this question, the concept humor is very important, particularly its rhetorical definition:
Humor is a rhetorical device that causes laughs on the audience, or at least it tries to provoque laughter. There are many purposes for using this tool; one of them is to engage an audience by breaking monotony and making the audience feel more comfortable. In this case, Andrew Blum used it to engage readers, so option A is the answer.