Which of These Is NOT a Reason to Believe Asteroids

Which of these is NOT a reason to believe asteroids have collisions with each other?

A) Astronomers have observed satellites of asteroids that appear to have been captured after collisions.
B) Almost all of the asteroids orbit the Sun in the same direction.
C) There are several families of asteroids with very similar orbits.
D) Astronomers have observed asteroids that appear to be two lobes connected by a narrow collar, as though two asteroids had collided and stuck together.