Read this line from Chapter 1: "That should make me feel like a million bucks when I flunk."

Based on the sentence, what does the phrase "million bucks" mean?

A. It is a descriptive way to boost someone's ego.
B. It is a figurative way of describing a great feeling.
C. It is a literal way to describe how expensive something is.
D. It is a sarcastic way to create anger in someone.