The correct answer is D. Resign.
To resign means to give up one's position or office. It can be used in a variety of contexts, such as when a politician resigns from office, or when an employee resigns from their job.
The other options are not synonyms of demit.
- Promote means to raise someone to a higher position or rank.
- Judge means to make a decision about something, especially in a court of law.
- Appoint means to choose someone to a position of authority or responsibility.
I hope this helps!