Final answer:
The sentence that is an example of third-person narration is option D.
Step-by-step explanation:
The sentence that is an example of third-person narration is option D. "She asked the teacher to help her figure out a math problem..." Third-person narration uses pronouns such as 'he', 'she', 'it', or a name to refer to the characters in a story, rather than using 'I' or 'you'.
Learn more about third-person narration