The rhetorical device that the author use in the line so the readers feel the terror that he experiences is : C. anticlimax
when the character's pocket got emptied out, readers expect something more important will drop. But it's only a piece of bread
hope this helps
The finishing point constructed by Twain is: when the old man is about to finish the story of Jim Smiley's jumping frog, another individual interrupts him. The narrator tries to leave the place, but the old man reaches it. The story ends with the old man who starts telling the narrator about a yellow cow with only one eye of Jim Smiley.
