阅读理解:阅读下面的短文,根据文章内容从A.B.C三个选项中选出一个最佳选项。An annual report provides __1__ information about an organization.People read annual reports in different ways. Some even __2__ to start at the back and work their way to the beginning. It makes __3__ difference how you read them as long as you get the essential points of the business and its financial condition.However, there is a good way to solve these reports that is __4__ most efficient and most effective. You can’ t possibly go any further in your research __5__ knowing what the company does! How can you insure that you have understood the report? Just ask yourself if you understand what the company does and who its customers are.(1)__1__
A.useful
B.useless
C.usefulness