The correct answer is A: Novel. The Novel was published in 1766, and during the 19th century, it was one of the most popular and widely known/spread Novels in Britain.
The exposition of "The Gift of the Magi" is the narrator introducing the young, struggling couple, and the rising action features Della wishing to buy her husband a nice gift. The climax of the story is Della deciding to sell her hair to buy her husband a watch strap. The falling action and resolution is the exchange of gifts, in which Della realizes her husband sold his watch for her gift.
Letter D. the combination of two other words.