Part A: The correct answer is C. The paragraphs are written from a first-person point of view, shown by the fact that the narrator uses the pronouns she and her.
Part B: The correct answer is D. . . . I hoped that the other passengers wouldn’t think I was a bad parent! (paragraph 3) This quotation expresses a personal emotion and thought, which is likely to be revealed only from a first-person point of view.