D
the error is a run-on sentence. A is ok, but not really. B is still a run-on. C has a unnecessary comma.
Answer:
The thing that makes this phrase so powerful is how affirmative he is. He isn't asking a question like "Could you please let me eat in this room?" He is threatening the people not allowing him to eat there. He is threatening their job.
Explanation:
To stop the fighting, the prince banned it.
