Lol i hope they keep dude in prison

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?

If an item does not contain a fragment, write correct. if the item contains a fragment, rewrite it to make it one or more complete sentences. 1.)their faces shining with delight at seeing the movie star. 2.)i wanted one thing. to take a long nap 3.)the committee was irrupted by this application. which we received just yesterday. 4.)i enjoy working with my hands. 5.)traffic lights flashing erratically as the cars jammed in the intersection, unsure whose turn it was to proceed. 6.)the apples cooked. with their sweet juices bubbling away. 7.)just as mr. chao said goodbye. 8.)classified ads filled the pages of the newspaper. 9.)a report to write and math to do before tomorrow. 10.)the silhouettes of the trees against the light of the moon.

How can you sit there calmly eating muffins when we are in this horrible trouble i cant make out you seen to me to be perfectly heartless who said this quote