Large Regular Moons Probably Formed

Multiple Choice

Large regular moons probably formed:

A) when passing asteroids were captured by the gravitational field of their planet
B) at the same time as their planets and grew by accretion
C) after a collision between a planet and a large asteroid fractured off a piece of the planet
D) after the period of heavy bombardment in the early Solar System
E) after a planet got kicked out of its orbit and was gravitationally captured by another planet