Where Are the Asteroids Located

Where are the asteroids located?

A) Their orbits are distributed more or less uniformly throughout the solar system.
B) All asteroids have orbits between the orbits of Mars and Jupiter.
C) Most asteroids have orbits between the orbits of Mars and Jupiter, but there are gaps caused by resonances with Jupiter.
D) Most asteroids have orbits between the orbits of Mars and Jupiter, but there are gaps caused the motions of the largest asteroids moving through the asteroid belt and sweeping out regions much like the shepherd satellites in the rings of Saturn.