I believe it's C, but if not, then it would be B
An appositive is a noun/pronoun phrase that re-classifies/names the noun beside it.
Example, the dog, Ginger, barked happily at me.
The appositive would be Ginger. 'Ginger' renames/names ''the dog''.
The noun is Hemingway's novel, what renames it is 'The Old Man and the Sea'.
Is there a paragraph that comes with the question?
Answer:
M aster of trade A lways playing music R ight prices K eep shopping week after week E xcellent workers
Explanation:
Acrostic poems are just sentences that come from each letter in a phrase you want. In this case it would be "market"