How do Macbeth and Lady Macbeth conceal and carry out their plot in Shakespeare's play Macbeth? Discuss which parts of the plan go smoothly and which do not, providing specific textual evidence from the play to support your ideas.
A) They successfully murder King Duncan without leaving suspicion, but struggle with guilt and paranoia afterwards.
B) Macbeth hesitates to kill King Duncan, but Lady Macbeth persuades him to follow through with the plan.
C) Macbeth and Lady Macbeth openly discuss their intentions with others, leading to their downfall.
D) They execute their plan flawlessly, with no complications arising throughout the play.