Which One of the Following Descriptions Best Illustrates a Trait

Which one of the following descriptions best illustrates a trait theory of motivation?

A) "Did you see that big grin on Maurice's face when the principal announced that he was the winner of the essay contest?"
B) "Jane is always putting herself in dangerous situations. Maybe she likes the adrenaline rush that comes with living on the edge."
C) "Half of the time, Chloe seems bored with what's going on in class. I've tried everything I can think of to motivate her, but so far nothing's worked."
D) "Morey is really struggling with his reading, and his spelling is atrocious. I wonder if he has an undiagnosed learning disability."