On the book Macbeth Whichlines best support the notion that Lady Macbeth is walking in her sleep?

Select one:

a. lines 15-16 "Lo you ,here she comes ! This is her very guise and ,upon my life .fast asleep . Observe her stand ."

b. lines 18-19 " why , it stood by her . She has light by her continually . ''Tis her command ."

c. line 20 "You see her eyes are open ."

d. lines 28-32 " Out , damned spot ! Out , I say! One : two:why , then , 'Tis time to do't Hell is murky!- Fie , my lord . Fie! a soldier ,and afeard ?

What need we fear who knows it , when none can call our power to account ? Yet who would have thought the old man to have had so much blood in him ?"