The Demise of Arthur Andersen,one of the Largest Public Accounting

The demise of Arthur Andersen,one of the largest public accounting firms,can be attributed to:

A) reversal of an indictment by the U.S.Justice Department.
B) fines levied by the U.S.Securities and Exchange Commission.
C) the death of Kenneth Lay.
D) the lack of quality of audit work for several clients that include Enron,WorldCom and Waste Management.