What in the world are you talking about
I think that the answer is B b/c the first and last answer make no sense and it says that he walked in a buzz of excitement which made me think of choice b
If you are referring his defeat at the end against the dragon, that is because of his hubris. He was too proud and believed that he could do it alone without his soldiers. This brings his defeat and he realizes that he will die because of his hubris, after which Wyglaf will take over since he was the only one brave enough to help.
The antonym is D. Reckless because cautious is to be very careful about your thoughts and actions. Reckless is completely insane. Your Welcome:)