I'd have to say answer choice b
<span>D. Using the image of darkness to imply that something bad will happen.
Lady Macbeth and Macbeth are hoping the dark of night will cover for their awful deeds (murder and aid to murder)</span>
I might suggest trying "and" because it would be showing that both are frying. Plus it's the only one that seems to make sense with the question.
Answer: you have to add a picture or answers of some sort
Explanation: