The passage is mainly about

A．Most parents are unconcerned about the choices available to them.
B．Interested parents can request more school choices be open to them.
C．The educational system may not provide as many choices as expected.
D．Most parents usually send their children to the schools nearby.

A．don't find conventional education satisfactory.
B．don't know how to choose among different schools.
C．intend to educate their children themselves.
D．find conventional education too expensive to pay for.