The answer would be C, because science fiction is based on futuristic stories. Or, it can also be described as what people imagine the distant future to be like.
Answer:
It occurs when the audience knows something that the character does not.
It adds extra layers of meaning and nuances to the dialogue.
Explanation:
2. They ought to have thought of that sooner.
3. Children, would you like me to make something special for dinner tonight?
4. Robert could have forgotten to post the letter.
5. Excuse me, could I have a look at your newspaper?
6. They weren't able to finish the exercise because they didn't have time.
7. Mobile phones must not be used on the plane.
8. Richard can't have stole your camera.
Is there a more specific question?