An IS auditor concludes that a local area network’s (LAN’s) access security is satisfactory. In reviewing the work, the audit manager should:

A. re-perform some steps of the audit to verify the quality of the work.
B. verify that the elements of an agreed-upon audit plan have been addressed.
C. verify user management’s agreement with the findings.
D. assess whether the auditor had the appropriate skills to perform the work.