All of the following can be implied from Paragraph Four EXCEPT that______.A．the American s

All of the following can be implied from Paragraph Four EXCEPT that______.

A．the American students are falling behind the world in many fields

B．the current education system is under great criticism of the whole nation

C．the book industry has supplied American schools with money

D．many people doubt the inadequate education system in America

请帮忙给出正确答案和分析，谢谢！