If an Electron Moves in a Magnetic Field

Multiple Choice

If an electron moves in a magnetic field,

A) it always feels a force.
B) it only feels a force if its velocity vector is parallel (or antiparallel) to the direction of the magnetic field.
C) it only feels a force if its velocity vector is not parallel (or antiparallel) to the direction of the magnetic field.
D) it does not feel a force if it is in motion, only if stationary.