Answer:
Option: C. Anno Domini
Explanation:
AD is a short form for Anno Domini. It an Italian term 'Domini nostri Jesu Christi' which mean 'the year of our Lord.' A.D. used with dates which considered the era since the birth of Christ. Scholars have used AD in describing years in history after the death of Jesus as 1st AD. Before Jesus death, years known as BC (Before Christ).
