Option A
This is an example of: graft
Explanation:
The graft is the personal profit or advantage merited by an individual at the cost of others as a consequence of the exploitation of the unique status of, or a substantial relationship with, another who has a condition of public trust or belief. The profit or gain is gathered without any transfer of received compensatory services.
Behavior that begins to graft comprises Bribery and fraudulent dealings in the act of public or official acts. In other words, this term about the unlawful possession of public money by illegitimate and improper activities with public officials.