I think it would be D, but don’t take my word for it.
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.
Can you put the paragraph do I can help
Answer:
There was once an Emperor who had no children and needed to choose a successor. They were to go home to their villages, plant the seed in a pot and tend it for a year. ... When they return in a year, the Emperor would judge their efforts and choose his successor.
Explanation:
The conjunction used is coordinating conjunctions, because it uses "or" to combine the sentences.
You're welcome :)