Which of these lines provides exposition for a story? A. Josie and Karen finally came to a compromise about who to invite to the party.
B. Samantha watched the moving van pull up to her new Manhattan apartment as she rubbed her lucky rabbit's foot.
C. Judy learned that good friends can be found in any city she moves to.
D. Trevor said he would call his mom, but he did not want to tell her where he was.