For me, to make fiction realistic is to have normal people in the story and have something strange come out of the blue. For example, there are researcher that study UFOs, so maybe have a conflict that has something to do with UFOs. Hope that helps!!!
What do u need help with?
Answer:
The best answer would be D. The men are serious and they are also doomed to an early death
Explanation:
The word "grave" gives us the picture of serious, distressed men, which would be understandable under the circumstances.