The mood of the painting "Rush Hour, New York" can be best described as ______.

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．American education and education in foreign countries
B．Improvement needed for American education
C．Freedom to thin characteristic of American education
D．Education and innovation in America