Thanks for the question! Let’s take a look at the passage. We’re asked for what the author of passage B would be most likely to agree with, so we should go to passage B. Keep in mind what the author is arguing overall, which has to do with saying that genres are distinctions between reading protocols (lines 27-32).
Now let’s take a look at (A), which tells us that fictional works not written to exploit the reading protocol of a particular genre are sometimes borderline cases of that genre. What are borderline cases? Well, they’re books that are hard to tell which genre they fall in (see its mentioning at line 25). Now we know that texts most central to genre are texts clearly written to exploit a particular protocol (33-35), which suggests that fictional works not written in this way can sometimes be borderline cases of that genre.
Hope this helps! Feel free to ask any other questions that you might have.
