The b best answer that I could see is D because it correlates to the actual question. But c also looks good because it gives a reason as why not to buy them from a shop/private owner.
Best of Luck...Nathan...L.
Possessive pronoun or possessive adjective
<span>Edgar Allan Poe (January 19, 1809 to October 7, 1849) was an American writer, poet, critic and editor best known for evocative short stories and poems that captured the imagination and interest of readers around the world. His imaginative storytelling and tales of mystery and horror gave birth to the modern detective story. Many of Poe’s works, including “The Tell-Tale Heart” and “The Fall of the House of Usher,” became literary classics. Some aspects of Poe’s life, like his literature, is shrouded in mystery, and the lines between fact and fiction have been blurred substantially since his death.</span>
