Both speaker and poet have a dark mind that proves to be insane and makes the mood and atmosphere dark, terrifying
The suitors must string Odysseus's hunting now that he knew how to string. After that, they have to shoot an arrow through twelve axe handles. If they completed this, they would win her hand in marriage.
The boldfaced clause modify is Picture. (A)
Includes reflection, and focuses on one time. Hope this helps.