Based on the information in the passage, what does the Japanese emphasize in the teaching of self-discipline

A．BMW's campaign employs the metaphor of DNA while Renault's doesn't.
B．BMW's campaign emphasizes technological revolution while Renault's emphasizes technological evolution.
C．BMW's campaign conveys improvement more explicitly than Renault's.
D．BMW's campaign is a lot more expensive than Renault's.

A．revolution.
B．extinction.
C．poverty.
D．stagnation.

A．cars produced with brand-new technologies.
B．cars modeled on DNA technology.
C．cars which are improvements on the old ones.
D．cars which have been face-lifted but otherwise remain little changed.