Answer:
C. Neurocognitive disorder due to vascular disease
Step-by-step explanation:
Neurocognitive disorder due to vascular disease is a disorder which often occurs due to lack of blood flow or supply to the brain of the effected person which may often leads to inability of the brain of that person to function well due to disruptions in the brain's blood supply.
A person with Neurocognitive disorder would often find it difficult to carryout their usual day to day activities and they may as well start to forget the names of the people around them or close to them such as family members, close relations or close friends.
Therefore based on the information given Patricia most likely experiencing Neurocognitive disorder due to vascular disease