Answer: without that much context, it would be pretty hard to answer this question. But I would guess (A)
Answer: Macbeth does not attempt to kill Banquo himself because he no longer has to do his own dirty work. He has become king and can delegate such deeds to others.
Explanation:
Grete reacts at first by trying to help him. Like she gives him milk because she knew he used to like it. Soon enough though she begins to tire of her role and just brings Gregor the tray of food or throwing the food in. Towards the end of the story, she insists that Gregor is a monster and that he needs to leave or something needs to change.
The word could is main word, your welcome
