Which archetype do the two passages have in common?

Read this excerpt from tim o’brien‘s “ambush” “i had already pulled the pin on a grenade. i had come to a crouch” which literary device is most clearly shown in this excerpt?

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.

1. in the bold portion of the narrative, the author tries to use a flashback to develop tension. however, the flashback does not create tension. rewrite the flashback scene so it develops tension right at the beginning of the story. (15 points)