Answer:
D. They jokingly agree that they and their spouses can all be friends but that their children can never date one another
Step-by-step explanation:
The only other reasonable option would be Option B, but the connotation of "endure" is rather negative, suggesting that forgiveness had not truly occurred.
We choose Option D because it is lighthearted in tone, and—although they do joke about impeding new beginnings—the nature of the interaction is entirely unburdened by the past.