Answer:
A When Penny left the house, she didn't know that was the last time she would ever see her family.
Step-by-step explanation:
Foreshadowing can be defined as a literary technique or device used by authors or writers to give the readers (audience) a hint or clue on something that will happen (occur) in a story in the future or later.
Basically, foreshadowing is mostly used by writers to create suspense, anticipation and tension in the mind of the readers (audience).
Hence, the sentence which includes the best example of foreshadowing is, when Penny left the house, she didn't know that was the last time she would ever see her family.