Under Which of the Following Circumstances Would a Disclaimer of Opinion

Multiple Choice

Under which of the following circumstances would a disclaimer of opinion be appropriate?

A) The client refuses to allow the auditor to review the minutes of the Board of Director's meetings.
B) The financial statements fail to contain adequate disclosure of related party transactions.
C) The auditor is engaged during the year and is unable to observe opening physical inventories which are material.
D) The auditor has identified illegal payments to foreign officials made by the client's management.