Final answer:
The lesion in the patient is most likely located in the right occipital lobe.
Step-by-step explanation:
The lesion in the patient is most likely located in the B. Right occipital lobe. The symptoms of the patient, such as the need to check things all the time, are consistent with obsessive-compulsive disorder (OCD), which can be caused by damage to the frontal-striatal circuit in the brain. The right occipital lobe is a part of this circuit and plays a role in regulating behavior and impulse control.