FINAL ANSWER
C. Three Centuries
EXPLANATION
The Romanov Dynasty lasted for three centuries. It began with the ascension of Michael Romanov to the throne in 1613 and came to an end with the abdication of Nicholas II in 1917. During this period, the Romanov Dynasty played a significant role in shaping Russian history and experienced various notable events, such as the reigns of Peter the Great and Catherine the Great, as well as the Russian Revolution in 1917. Overall, the Romanov Dynasty's reign lasted for approximately 304 years.