C. I found a bag of marbles.
This is the only sentence that contains an indefinite article. Indefinite articles are "a" and "an" for singular nouns. "some" is the indefinite article used for plural or uncountable nouns.
"the" is a definite article.
I think i remember the answer...it was C....
I would say D is more appropriate. It's possible she has interest, and that is the root of her observations, but adoration is clear by her vivid, positive description.
Is this like a newspaper headline?