The correct answer for the question that is being presented above is this one: "b. He seems too young to be a legitimate police officer." Mrs. Perez think of the policeman who answers her call is that <span>b. He seems too young to be a legitimate police officer.</span>
It would put an enthusiastic vibe throughout the piece. So an excited feel I guess.
In "At the Tourist Centre in Boston," the speaker's tone can best be identified as D. Sarcastic.