The main purpose of the passage is to inform readers of SDSU's

A．public debate.
B．friendship.
C．environment.
D．life styles.

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.