D. Memmott explains that the tragedy is not well known today and then shows why it is worth remembering.
In Passage A, Memmott highlights the commemoration event that seeks to honor a tragedy that has been largely forgotten. In Passage B, he provides context about the cruel actions taken by Trujillo and the resulting anti-Haitian sentiment, which underscores the importance of remembering this historical event. Together, the excerpts emphasize the need to acknowledge and remember the tragedy for its historical significance.