Which sentence uses italics or quotation marks correctly?

a.
they enjoyed reading you, m'am, a short story by langston hughes.

b.

"seventh grade" by gary soto is a short story about the first day of school.

c.
o. henry's short story "the cop and the anthem" is both funny and sad.

d.

amigo brothers has been included in this collection of short stories.

What do the excerpts have in common? both point out the tragic nature of situations in which children make journeys without their parents. both describe what immigrant children must do to survive when traveling to the united states. both explain why most children want to leave central america without their parents. both indicate the tragic problems and their consequences that children in central america must face.