A charged particle is moving in a constant magnetic field. Assume that the magnetic field is not parallel or antiparallel to the velocity. Concerning the magnetic force exerted on the particle, which of the following statements is false?
选项：

A:It does no work on the particle.;
B:It may increase the speed of the particle.;
C:It may change the velocity of the particle.;
D:It can act only on the particle while the particle is in motion.