What can you infer about lady macbeth’s state of mind from this scene

The question doesn’t mention the scene. The complete question contains excerpts from the Act V, Scene I of Macbeth by William Shakespeare along with the question:

What can you infer about Lady Macbeth’s state of mind from this scene?

A.She is sad that she has no children to love.

B.She is upset that her husband has gone to war.

C.She feels guilty about her part in Duncan’s murder.

D.She is angry that Macbeth no longer listens to her."

C. She feels guilty about her part in Duncan’s murder.

Explanation:

Lady Macbeth had played an essential role in the murder of King Duncan, and was the one who convinced and helped Macbeth commit it. However, the deed had impacted her so profoundly that gradually she started sleepwalking every night, uttered the given statements, and performed the actions of washing her hands, where she could still feel King Duncan’s blood and wanted to wash it away; like washing away the deed from her conscience.

Her guilt is further established by the Doctor later in the scene when he says, “unnatural deeds/Do breed unnatural troubles: infected minds/To their deaf pillows will discharge their secrets” which Lady Macbeth seemed to be doing.  

Her utterances were reminders of what had led to the murder of King Duncan. She re-enacts in her sleep, what her conscience couldn’t let go of.                

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