Final answer:
The sentence that contains an example of foreshadowing is option C: Elsa hears a report that the buses are running late as she rushes out the door to an important meeting.
Step-by-step explanation:
The sentence that contains an example of foreshadowing is option C: Elsa hears a report that the buses are running late as she rushes out the door to an important meeting. Foreshadowing is a literary device used to give the reader hints or clues about future events in the story. In this example, the fact that the buses are running late foreshadows that Elsa may encounter difficulties or obstacles on her way to the important meeting.
Learn more about Foreshadowing in literature