Which Audit Approach Should Be Employed to Test the Accuracy

Which audit approach should be employed to test the accuracy of information housed in a database on an un-networked computer?

A) Submit batches of test transactions through the current system and verify with expected results.
B) Use a test program to simulate the normal data entering process.
C) Select a sample of records from the database and ensure it matches supporting documentation.
D) Evaluate compliance with the organization's change management process.