the answer is b. i say this answer because that is what i do in this type of situation (and is what you should do). when your stuck on something you should go back and look to see if you missed anyting, misread anything, and so on until you get a full understanding of what you read.
A. because the whole reason people wanted Caeser dead was because he was greedy. And poor Brutus was convinced it was for a good cause and not for other's political gain.
