If i'm not wrong it's objective information
My best answer would most likely be a. Editing the language of your essay.
Editing the title is only a first impression and could be followed by a piece of writing lacking in flow. Editing punctuation would be my second choice, but it doesn't apply as much, in my opinion. And for the last choice, I'm pretty sure at least on of the three are practical options.
Answer: It reveals Nancy Lee’s nervousness to interact with her principal
Explanation: Nancy Lee was worried that she was failing chemistry. Therefore, she was afraid she wasn’t doing adequately in school, which could devastate her role as an honors student and possibly even the Artist Prize for the local art school she wanted to go to.