How Does Representative Democracy Differ from Direct Democracy

How does representative democracy differ from direct democracy?

A) In a direct democracy the citizens are taxed directly, whereas in representative democracy taxes are less obvious.
B) In a direct democracy the individual citizens play an active and direct role in government, whereas in representative democracy they elect officials to act on their behalf.
C) Unlike direct democracy, representative democracy eliminates the power of the citizens to have any say in government.
D) The only difference between the two is the way in which representatives are elected.
E) Direct democracy is synonymous with a monarchy, whereas representative democracy allows more citizen involvement in government.