He goes to Hades to find out how to get back home.
I believe that the best answer for this question would be B, "her own." She and Death stop at a burial ground for her, which is marked with a headstone. This entire poem is about her dealing with Death after passing away. She views the world from a distant perspective and eventually life from a distant perspective. Hope this helps.
Letter B is the answer for this question
In this poem imagrey is found & diction
Hope this helps (:
