A Charged Particle Moves and Experiences No Magnetic Force

Multiple Choice

A charged particle moves and experiences no magnetic force. From this we can conclude that

A) either no magnetic field exists or the particle is moving parallel to the field.
B) the particle is moving parallel to the magnetic field.
C) the particle is moving at right angles to the magnetic field.
D) the particle must be massive.
E) no magnetic field exists in that region of space.