Aurorae Are Formed When Charged Particles,spiraling Along Magnetic Field Lines,collide

Multiple Choice

Aurorae are formed when charged particles,spiraling along magnetic field lines,collide with atoms in an atmosphere.Where are the changed particles that produce Jupiter's aurorae believed to originate?

A) from the Sun, just like the particles which produce Earth's aurora
B) from particles ejected from Io's geysers
C) from debris knocked off the inner moons Adrastea and Metis
D) from Jupiter's rings