Final answer:
In Act 3 of Shakespeare's 'Hamlet,' the interrogation of Rosencrantz and Guildenstern is the main event, reflecting the play's espionage themes and Elizabethan spy culture. The correct answer is option: b) An interrogation of Rosencrantz and Guildenstern.
Step-by-step explanation:
In Act 3 of William Shakespeare's play Hamlet, the event that occurs is b) An interrogation of Rosencrantz and Guildenstern. During this act, Hamlet becomes suspicious of his old friends, who have been sent by King Claudius to spy on him and report back on his behavior. This scene is a crucial turning point in the play, as it showcases Hamlet's intelligence and his ability to recognize and manipulate the espionages around him. The event also delves deep into themes of trust, betrayal, and the intricacies of court politics, which reflect the Elizabethan spy culture of Shakespeare's time.