How Do Particles from the Moon Enceladus Wind Up in Saturn's

Multiple Choice

How do particles from the moon Enceladus wind up in Saturn's E ring?

A) Volcanoes erupt and expel silicates into space.
B) Water geysers erupt from the surface and expel them into space.
C) Cosmic rays bombard the surface rock on Enceladus and expel it into space.
D) A collision with a co-orbiting moon knocks rocky debris into orbit around Saturn.
E) Strong winds from Saturn blow material off of Enceladus's surface.