Answer:
The most likely answer is D.
Explanation:
It cannot be A since a government controlled by force is authoritarian.
It cannot be B since modern day democracy is not based on popular votes, but is based on representative democracy.
It cannot be C since a government controlled by a bloodline is usually a monarchy.
It is most likely D because most democracies in the modern day are representative democracies.
Example: The USA uses the electoral college instead of a popular vote to elect a president.