Which sentence uses indirect characterization?

Nina slid into her seat just as the bell rang and tried to catch her breath.

Amit is very strong and fit, and he is relentless as a trainer.

Jamal is a persuasive speaker, so he knows how to win debates.

Sonya will solve the puzzle, as she is both intuitive and persistent.

I believe none of these options are correct. However, if you had to choose one, I would pick A - Nina slid into her seat just as the bell rang and tried to catch her breath.

B, C, and D are incorrect because these are all examples of direct characterization, meaning that the other directly tells us what these people are like. This doesn't happen in A, which is why I would choose that option.

Nina slid into herseat just as the bell rang and tried to catch her breath