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This phenomena reflects that the financial system plays a role of providing information

On September 28, 2015, the stock price of Apple Corp. drop sharply right after the annual operating report was announced. This phenomena reflects that the financial system plays a role of

A.providing information

B.pricing

C.dealing with incentive problems

D.advertising and promotion

答案选A,providing information.

Apple Corp 苹果公司 the annual operating report 年度动态报告 annual report 年报