The correct answer would be d. miserable
Prominent.
This sentence only indicates that Jay is noticeable and stands out, not that he is loud, admired, or a subject of interest.
I would advise that she either goes to her school library or a local library. If that is not possible, she could also ask her parents if they can schedule the visit to another date. She could also go to a friend's house anyway studying with friends is enjoyable and advantageous.
One is a pronoun for an object, and one for a subject. Lol.