Final answer:
The police officer told Genya to step out of his car, and his compliance with the command can be attributed to obedience. The correct option is c.
Step-by-step explanation:
The form of influence that compelled Genya to get out of his vehicle when the police officer told him to is obedience. Obedience is the change in an individual's behavior to comply with a demand by an authority figure. In this case, Genya obeyed the police officer's command because he perceived the officer as a legitimate source of authority with the power to enforce consequences if he did not comply.
The correct option is c.