So on we worked, and waited for the light, And went without the meat, and cursed the bread; And Richard Cory, one calm summer night, Went home and put a bullet through his head. What is the purpose of the last line of the poem? A) It provides a bitter irony. B) It makes the reader want a sequel. C) It unites the reader and the speaker. D) It offers a resolution to the conflict.

• MsLit: A) It provides a bitter irony.
  
  The irony comes from it being a 'calm summer night' that this happened, and the bitterness comes from the narrator's opinion towards the work they are doing. He is showing that it is too much for many of them and sometimes they take drastic measures to ensure that they don't have to keep going.