Here is the answer— ———————————————
The correct answer is B A worn yellow quilt was lying at the foot of the antique bed, a gift from their grandmother.
This is a run-on sentence because there shouldn't be a comma after bed. It should be an entirely new sentence after, or something like a dash or a semi colon.
Are you talking about Marigolds by Eugenia Collier?
I think it'sA or C, not really sure.