I am going to stick with D.
It is very important to support your thesis statement with evidence.
Go to sparknotes.com & search the name of your book, and it'll give you ALL the information you need!!
This might not help.
Macbeth admired King Duncan and knew that his death would be felt by everybody. He may not have committed assassination if Lady Macbeth had not been present, demonstrating that he is a tragic hero who realized he was making a mistake while being tempted by Lady Macbeth.