Which Statement About Pulsars Is Not Thought to Be True

Multiple Choice

Which statement about pulsars is not thought to be true?

A) Pulsars can form only in close binary systems.
B) All pulsars are neutron stars, but not all neutron stars are pulsars.
C) Pulsars are kept from collapsing by neutron degeneracy pressure.
D) A pulsar must have a very strong magnetic field and rotate quite rapidly.