Explanation:
Hamlet is shocked when the ghost goes on to tell him that he was murdered by his own brother, Claudius. Unlike the story Claudius told the court, that a serpent stung and killed the old king, the ghost tells Hamlet that during his afternoon nap in the orchard Claudius crept in and poured poison in the king's ear.
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Here is a link where you can alot of info on your essay >-<
I believe it's A....but I've never heard of B or D but if those two where a chose I'd chose B then....hope that helps
The Authors use historical times and events to make the story seem more believable even though its fiction.