[单项选择]如果发行的证券化产品属于债券，发行前必须经过（）进行信用评级。
A. 资金和资产存管机构
B. 信用增级机构
C. 信用评级机构
D. 发起人

When you have an idea of the kind of car you might be buying, take the time to look up road tests. These appear in consumer magazines and in magazines for automobile enthusiasts, and both types are usually available in your library if you’re not a subscriber. The consumer magazines generally pay more attention to practical things like roominess, gas mileage, and repair records; the enthusiasts’ magazines pay more attention to things like performance and style. You should remember that the enthusiasts’ magazines depend on the auto industry for the advertising that keeps them in business and some (not all) will manage to find something nice to say about all cars. So read about several road tests of the car you are thinking of getting.
You may want to skip this step because your mind is already made up--maybe you always buy a certain make of car or you like one that a friend has. But check the magazines’ road tests anyway; they may change your
A. Federal law requires prospective car buyers to do comparison shopping.
B. Consumer magazines devote more than half their pages to practical advice about cars.
C. A subscription to an automobile enthusiasts’ magazine is required of prospective car buyers.
D. Federal law requires that specific car performance information be made available to all purchasers.