This is a very serious matter and the Chinese Academy of Sciences is trying to             public awareness about it.

A．lift

B．rise

C．raise

D．arise

为了尽可能保证其成本能够比较准确的核算，避免创新活动偏离银行的经营目标，商业银行在金融创新中应遵循( )原则。

A．成本最低

B．成本可算

C．成本可控

D．目标成本