Final answer:
The voice stating "Sleep no more! Macbeth does murder sleep" metaphorically suggests that Macbeth's guilt over his crimes will prevent him from sleeping, best captured by option A, Macbeth's inability to sleep due to guilt and remorse.
Step-by-step explanation:
The voice that calls out "Sleep no more! Macbeth does murder sleep," in William Shakespeare's play, is expressing the idea that Macbeth's heinous crime has caused a profound disturbance. This line can be interpreted in several ways; however, it primarily suggests that Macbeth's actions will prevent him from finding peace and respite in sleep due to his overwhelming guilt and the chaos he has unleashed. The voice metaphorically indicates that Macbeth has 'murdered' the very idea of sleep, which represents innocence and respite from one's troubles. Therefore, the best answer to the student's question would be A) Macbeth is unable to sleep due to guilt and remorse. This acknowledges the metaphorical language Shakespeare uses to convey the psychological consequences of Macbeth's actions on his ability to find peace and tranquility in sleep after committing regicide.
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