At the beginning of Act 5, Lady Macbeth is sleepwalking. What does she mean by the following lines? “Out, darned spot! Out, I say! What need we fear who knows it, when none can call our pow’r to accompt? Yet who would have thought the old man to have had so much blood in him?”

Group of answer choices

A. She is getting ready to kill Lady Macduff, and she is trying to talk herself into it.

B. She is unafraid of all the power that she and Macbeth have obtained.

C. She feels that she cannot ever get rid of the guilt from all the murders.

D. She thinks that her clothes have been stained by Duncan's blood.