The answers C I’m so sorry if I’m wrong
Answer:
B) Nina is trying to raise her grade in American History from a B+ to an A.
Explanation:
The question asked for a present goal. Option B is the only one in present tense.
I think it would be best if you write it yourself, that way it sounds more original and you won’t have to worry about plagiarism. But that’s just my opinion. But, some of my advice would be to use a website called Grammarly, it’s super helpful for this sort of thing. :). Sorry this wasn’t the answer you wanted.
I have known is bolded.
pretty sure its adjective.