first-generation college student means that you are the first person in your immediate family to attend college
Answer: D. : to show that there had been no fire drills at the factory.
Explanation:
In the "Bella" section, the author included the detail that "Bella didn't know what a fire drill was" because there had been no fire drills at the factory.
Since a fire drill hasn't ever taken place, Bella had no idea about what it was. The author including the details wasn't to show that Bella wasn't as educated as Jane nor was it to explain the reason for the spread of the fire.
Therefore, the correct option is D
I'm guessing peripheral vision