4-Year-Old Rebecca's Grandfather Died a Few Weeks Ago

4-year-old Rebecca's grandfather died a few weeks ago. Rebecca is very fond of him and would wait for him to visit her house every weekend. Now that it has been a few weeks since he last visited, Rebecca has been asking her mother why her grandfather has not come over to visit her. Considering that Rebecca is only a child, which of the following approaches should her mother follow while answering her questions?

A) reassure Rebecca that her grandfather will visit her every night in her dreams
B) try to divert Rebecca's attention and avoid questions related to death
C) explain that her grandfather has gone on a very long trip and will not be coming over anymore
D) explain as simply as possible that her grandfather died and answer any questions Rebecca has about his death