Final answer:
The writer was irritated by Harris and George in beehive class because they frequently made irrelevant comments, which can disrupt the learning process.
Step-by-step explanation:
In the context of the story from Class 9 English, what irritated the writer about the behavior of Harris and George in beehive class was (B) They frequently made irrelevant comments. This kind of behavior can be disruptive to the learning process as it can distract other students and derail the flow of the class. When students make irrelevant comments, it often shows a lack of engagement with the material being presented and can be challenging for an instructor who is trying to maintain a focused and productive learning environment.