Which of the following would be the most appropriate title for this passage

A．If children are not allowed to experiment freely with ideas they won't grow up in dependent and creative.
B．Most Americans think the present American educational system is not as good as it used to he.
C．Private schools run by Japanese businessmen maintain a higher level than American public schools.
D．Americans are more innovative than other people in the world.

A．early nineteenth century
B．late nineteenth century
C．early twentieth century
D．late twentieth century