The passage can be best titled as ______.

A．by doing so they needn't go to the store to buy stationery for their children
B．they can reach their children's school and the teachers without traveling there
C．the E-mail and the website can help them find out what their children do
D．they can observe how the Internet affect their children's education every day

A．the schools and parents are connected by the Internet so that teachers will leave school
B．parents can find out what happens with their children in school by visiting the Internet and so will the teachers
C．parents and educators may discover that schools are strange by using computers
D．the schools are online; parents now can teach their children and the teachers are to go