Select the True Statement Regarding Magnetism and the Earth's Magnetic

Select the true statement regarding magnetism and the Earth's magnetic field.

A) Opposite poles attract.
B) The magnetic field does work on a charge only when the charge has a velocity component perpendicular to the magnetic field.
C) The magnetic field does work on a charge only when the charge has a velocity component parallel to the magnetic field.
D) The Earth's magnetic field lines are parallel to the Earth's surface at all points.
E) Both A and B are true.