Which answer BEST supports the statement, "China's government can be considered an Oligarchy"?
A) The government has traditionally existed as a command economy.
B) The only political party allowed to exist is the Communist Party of China.
C) The right to vote is given to all citizens who are at least 18 years of age.
D) The government is ruled completely by one person who has unchecked authority.

This is from USATestprep