The correct answer is A.
The opening of section 2 from "An Occurrence at Owl Creek Bridge introduces the character of Peyton Farquhar.
It explains the reader that Farquhar was a planter and politician from a respected Alabama family. He was a slave owner, a secessionist and a friend to the Southern cause. The excerpt also explains that Farquhar did not do the military service nor did he fight the campaigns that endend with the fall of Corinth.