Answer:
Active Voice:
The doctor ordered him to stop drinking.
Passive Voice:
He was ordered by the doctor to stop drinking.
Subjunctive,Not Subjunctive,Not Subjunctive,Subjunctive
C. Is the correct answer. I believe.
The correct answer is D. A prepositional phrase means that it starts with a preposition. And in these examples, D is the only one that starts with a preposition "on".
Is the essay in a specific format or something? Any specific requirements?