Detailed Explanation:

Rationale for Correct Answer:Employees involved in bribery or corruption schemes often exhibit lifestyle red flags such as gambling habits, drug/alcohol addiction, or extravagant spending. These behaviors create financial pressures that may motivate or result from corrupt activity.

Analysis of Incorrect Options:

A, B, C individually – Each is a red flag, but the most accurate answer is all of the above.

Key Concept:Behavioral red flags in corruption cases.