Answer:
B. It suggests that oppressive times will continue until Macbeth is dethroned.
The hyperbole "The night is long that never finds the day" suggests that the current situation is like a never-ending night and that things will not improve until Macbeth is removed from power. The phrase emphasizes the darkness and oppression of the present time and implies that a new day, or a better future, can only come after Macbeth is overthrown.
Step-by-step explanation: