If the Auditor Failed to Confirm Receivables When That Should

Multiple Choice

If the auditor failed to confirm receivables when that should have been done and it may be too late to confirm now,what should the auditor do?

A) Issue an adverse opinion.
B) Extend the previous work done on subsequent collections to help determine that the receivables existed and were properly valued at the balance sheet date.
C) Automatically decide that the previously issued audit report cannot be supported in light of the omitted procedures.
D) Issue a disclaimer of opinion.