Which statement best compares a direct democracy to a representative democracy?
A. Citizens represent themselves in a direct democracy, while citizens are not able to elect leaders in a representative democracy.
B. In a direct democracy, citizens elect representatives, while in a representative democracy, citizens represent themselves.
C. Citizens have limited power in a direct democracy, while they have unlimited power in a representative democracy.
D. In a direct democracy, citizens represent themselves, while in a representative democracy, citizens elect representatives.