What is the theme for lines 5-8 in musee des beaux arts?

May someone me answer these questions

“the bane of the internet” is written in first-person subjective point of view, so the narrator a) tells the story as it is happening b)tells the story as it is happened in the past c)is a minor character who tells the story as it is happening d)none of the above

Which lines in this excerpt from act b of shakespeare macbeth tell the audience that macbeth realizes his mistake and regrets his ambition