I think it's the first one. Throughout the story we see Becky struggling with the idea that she might fail this time. Really she is making the possible outcome seem worse than it actually is (the outcome being that she could fail the test again), and Justin helps her calm down and realize that it really isn't that big of a deal if she doesn't pass.
Answer: What this passage means to me is you can’t just Believe you can do something, you must try. With the actions you take to work towards something you believe you can do you learn and it pushes you to believe you can do more. I think if you believe you can do something and set a limit for it you’re only blocking yourself from believing you can do more taking action to do what you believe you can do will help you reach further and set limits almost impossible to reach but with action you can be one of the firsts to reach it.
Explanation:
Society, which is cold and unforgiving. I hope this helps (APEX).