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搜题
【单选题】
Mortgage - backed securitiesA.
have been growing in popularity in recent years as institutional investors look for attractive investment opportunities.
B.
are securities collateralized by a pool of mortgages.
C.
are securities collateralized by both insured and uninsured mortgages.
D.
are all of the above.
E.
are only A and B of the above.
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举一反三
【单选题】经营者与消费者进行交易应遵循( )
A.
提供优质服务的原则
B.
消费者至高无上的原则
C.
客户就是上帝的原则
D.
保护消费者合法权益的原则
E.
自愿、平等、公平、诚实信用的原则