Question

After Macbeth kills King Duncan, in a fever of guilt, he brings the daggers he used to kill the king back to his chambers. Lady Macbeth demanded that Macbeth return to the scene and place the daggers in Duncan's room.
What reason does Macbeth give for killing King Duncan's guards?

A. He didn't want the guards to say they had seen Macbeth in the king's room.
B. He wanted King Duncan to have the company of his best guards in death.
C. He was angry after the guards admitted to having killed King Duncan.
D. He was overcome with anger after seeing Duncan's body covered in blood.