The thing which Macbeth means when he states, "<em>Shall blow the horrid deed in every eye" </em>is C. Everyone will learn of the murder.
<h3>What happened in Macbeth?</h3>
Macbeth decides to murder Duncan and this was one of his many undoings as it helped lead to his downfall.
Therefore, the use of the given quote by Macbeth was to state that the outcome of the murder would be terrible and create a storm and everyone would be aware of what Macbeth did.
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