I believe it is A. You should cover all the elements you can find in the piece. Sorry, I am really not so sure but that seems like the best bet!
The answer that would convey yearning would be longing. It wouldn't be melancholy pretty much means sad.
Longing ex: She was longing for one of her grandmother's hugs.
Answer:
noun ,pronoun , preposition
Explanation:
Noun. Thing or person. Pencil, cat, work, notebook. This is my cat. They live in Madrid.
Pronoun Replaces a noun I, you, he, she, it He is very clever.
Preposition Links a noun to another word At, in, of, on, after, under She was hiding under the table.