IRONIC

Inflexible
Bitter
Good-natured
Sarcastic

The correct answer is: D. Sarcastic

Irony is a figure of speech that occurs when there is a contrast between what is expected and what actually happens. Sarcasm is a form of irony that is used to express contempt or mockery.

The other options are incorrect because they do not describe sarcasm.

  • Inflexible means not willing to change or be persuaded.
  • Bitter means feeling or showing intense resentment or ill will.
  • Good-natured means having a pleasant and kindly nature.