Which sentence uses italics or quotations correctly?

a.
this magazine features an interesting article titled "favorite vacation spots for families."

b.
the first space shuttle launched by the united states was columbia in 1981.

c.
last year ben watched the movie "the wizard of oz" three times.

d.
the gift of the magi is o. henry's best-known short story.

Read the passage. when mother’s fever persisted for a week, father summoned our family doctor. dr. blakemore applied leeches to mother’s skin in hopes of reducing the amount of blood in her body. despite the doctor’s efforts, she languished in bed for three more days before her appetite returned and she requested a thin broth. our dear cook, mrs. davis, prepared the broth and delivered it to my mother directly, eager to ease her discomfort. what can readers infer about the time period of the passage?