单项选择题

According to the author, the success of the campaigns may depend on

A．public perceptions of DNA.
B．the explicitness with which 'DNA is incorporated into the campaigns.
C．advances in genetic research.
D．the affordability on the part of customers.

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单项选择题

The difference between BMW's campaign and Renault's campaign is that

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.

单项选择题

BMW's campaign has mistakenly conveyed the idea of

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