Which of the Following Statements Is Correct Concerning an Auditor's

Which of the following statements is correct concerning an auditor's responsibility to report fraud?

A) The auditor is required to communicate to those charged with governance all minor fraudulent acts perpetrated by low-level employees, even if the amounts involved are inconsequential.
B) The disclosure of material management fraud to principal stockholders is required when both senior management and the board of directors fail to acknowledge the fraudulent activities.
C) Fraudulent activities involving senior management of which the auditor becomes aware should be reported directly to the SEC.
D) The disclosure of fraudulent activities to parties other than the client's senior management and those charged with governance is not ordinarily part of the auditor's responsibility.