Final answer:
The 'Gunpowder Plot' is usually represented in a play using the literary device of allusion, which is an indirect reference to a historical event or another work that adds depth to the story.The correct option is A.
Step-by-step explanation:
The 'Gunpowder Plot' in a play is typically represented through the literary device known as an allusion. An allusion is an indirect reference to a historical event, another literary work, or a famous person, usually to enhance the meaning or thematic significance of the current work without explicitly detailing the reference. For instance, in Shakespeare's 'Macbeth', the 'Gunpowder Plot' could be alluded to when the witches foresee turmoil and plot to kill a king, as this mirrors the real-life attempt to assassinate King James I in 1605.
Foreshadowing is another literary device where hints are given about plot developments that will occur later in the story. An example of foreshadowing would be in Sophocles’ 'Antigone', where a character predicts a future event that manifests later in the play. In contrast, symbolism uses symbols to represent ideas or qualities, and irony involves a situation that contradicts what one would expect, sometimes with humorous or emphatic effect.