B, Frank walked in the house and set down his bag of books.
Answer:
The cartoon isn't criticizing anyone in particular, but the school system today inputs knowledge into your brain that won't be useful later on, and if you don't understand that or do not keep up, you will be "left behind", while useful knowledge that could be used later is labeled not useful. The target of the image is to put it simply, the school system. I can see them using reversal, as they are changing the ways school was intended to be used in the first place.
Explanation:
2nd option : The speech can reach only a small group of students,but because the essay is a published text,it can reach a broad ,general audience