Answer :
Technically, before the play King Hamlet is already dead. But the first person to die in the play is Polonius. Polonius was stabbed by Hamlet.
Answer: A. Polonius
Explanation: During the play "The Tragedy of Hamlet, Prince of Denmark" by William Shakespeare, the first character to die is Polonius. In Act III, Scene IV, Gertrude and Polonius wait in the queen's chamber for Hamlet. Polonius hides behind a tapestry. Gertrude says that Hamlet has offended his father meaning Claudius. Hamlet answers in an angry way that she has offended his father, meaning King Hamlet, by marrying Claudius. She cries for help and Polonius moves behind the tapestry. Thinking that it is Claudius, Hamlet stabs him and kills him.