In September and October 2008, Financial Markets Around the World

In September and October 2008, financial markets around the world suffered a severe crash as:

A) there was aggressive lending to subprime borrowers in a deregulated environment.
B) the Public Company Accounting Oversight Board (PCAOB) was disbanded, allowing auditors to work unregulated.
C) the assets of American overseas companies were seized by the Federal Sentencing Guidelines for Organizations.
D) all publicly traded firms only used the services of auditors affiliated with the Public Company Accounting Oversight Board.