Answer:
c. Marcus Aurelius
Step-by-step explanation:
The "Five Good Emperors" were five Roman emperors that were considered the good emperors because their reigns brought peace, prosperity and stability to the Roman empire, what made them great was the fact that when Nerva started, he was appointed by the Senate because the prior Emperor had no offspring to pass the crown to, after this Nerva decided to keep this going and all of this five emperors appointed while still in live their predecessor who would act as emperor after him and keep their policies of peace and efforts to prosper going.