The word is pedant so the answer to your question is a
In my opinion, the best option is A. <span>Greed can be the undoing of a person, leading him or her to ruin. Macbeth's ruin was triggered by greed. He had a choice: to believe or not to believe the weird sisters' prophecy. He believed them and acted upon it because he wanted more power and, ultimately, the crown.</span>
I don't know for sure but I think the second one is an intensive pronoun
Yeaaa uh i don’t know the last three but the first blank is for sure Tybalt