b. Fortunato has never been found.
The key sentence for the answer is "For half of a century no mortal has disturbed them." Half a century is fifty years. We know that Montressor built the wall that night and walled in Fortunato. This eliminates A. Also, C is just wrong since he entombed Fortunato, not the old bones. Option D is also wrong since Fortunato is dead - he's not sleeping. The statement "no mortal has disturbed them" best indicates that Fortunato has never been found.
She is showing C. Courage, because even though Beatrice will be punished for what she did, she does it for the good of the people around her.
I think the answer is experience. I'm sorry if I'm wrong though.
Marcus has been kidnapped. He has no visible way to get out, and is now stuck in the back of the car. He also as one of his friends bleeding from a stab wound.
