Which is an example of direct characterization?

A. Now, Fatima was trudging toward the yearbook room, her head lowered and shaggy bangs falling across her dark brown eyes.
B. Fatima squirmed back and forth in the uncomfortable yellow-brown office chair with her arms crossed tightly in front of her.
C. “Well, that’s definitely a relief. I’m not exactly sure how this all works yet,” Fatima said, a small smile forming on her face.
D. Fatima remained silent, eyebrows furrowing as unease settled over her face.