The author is mainly concerned with______.

A．The value system of Japan is based upon traditional and conservative values which have in modern times, been modified by Western and other liberal values.
B．Students and radicals in Japan have used Leninist ideology to distort the meaning of democratic, Western values.
C．The notions of personal freedom and individual liberty did not find immediate acceptance in Japan because of the predominance of traditional group values.
D．Modern Japanese society is characterized by hierarchical relationships in which a personal tie to a superior is often more important than merit.

A．decisions about promotions are often based on personal feelings
B．students and intellectuals do not understand the basic tenets of Western democracy
C．Western values have completely overwhelmed traditional Japanese attitudes
D．respect for authority was introduced into Japan following world War Ⅱ