Final answer:
In "A Christmas Carol," the Spirit of Christmas Yet to Come shows Scrooge visions of his clerk mourning and his own death, prompting him to change.
Step-by-step explanation:
In Charles Dickens' "A Christmas Carol," the spirit that showed Scrooge his clerk mourning over the death of his child, and Scrooge's own death is D) Spirit of Christmas Yet to Come. This spirit, also known as the Ghost of Christmas Future, presents Scrooge with bleak visions of what may come to pass if he continues on his heartless and miserly path. These scenes are crucial, as they prompt Scrooge to reflect on his life and to consider changing his ways to avoid such a dark future.