Which sentence uses italics or quotation marks correctly?

A.
Amigo Brothers has been included in this collection of short stories.

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.
They enjoyed reading Thank You, M'am, a short story by Langston Hughes.