Final answer:
In 'King Lear', Goneril and Regan, the greedy sisters, serve as the antagonists, opposing their father, King Lear, who is the protagonist.
Step-by-step explanation:
In the story of King Lear, the antagonist is not King Lear himself or Cordelia. By examining the conflicts within the play, we can see that the greedy sisters, Goneril and Regan, are the characters who stand in opposition to Lear, who is the protagonist. As the play unfolds, it is the actions and the betrayal by these sisters that create the main source of conflict for Lear. Therefore, the answer to who is the antagonist in the story of King Lear is option 3) The greedy sisters.