The answer is Option C) Emporer Trajan.
The provincial governors in rome were given orders to openly persecute the christians by emperor Trajan.
Trajan is remembered as one of the most successful Roman Emperors. During his reign, the Roman Empire reached its largest territorial expansion.
While for Romans, he was an Emperor who was responsible for strong social and structural reforms, he is not remembered fondly in Christian history.
He personally gave orders to provincial governors of the Roman Empire to openly persecute Christians, who he believed, were a threat to his power.