A government auditor is conducting a financial statement audit of a public-sector entity in accordance...

 ISSAI Standards:

The International Standards of Supreme Audit Institutions (ISSAI) require government auditors to consider fraud and abuse during financial audits. Abuse includes improper use of authority or resources, which may not always meet the legal threshold of fraud but still warrants attention.

 Expanded Audit Scope:

Unlike private-sector audits, public-sector audits often have broader objectives, requiring vigilance for misuse of public funds and resources.

 Why A is Correct:

Staying alert to abuse ensures comprehensive accountability, aligning with ISSAI ' s objectives​​.