A Client Is in the Late Stage of Alzheimer's Disease

A client is in the late stage of Alzheimer's disease.To address the client's symptoms,which nursing intervention should take priority?

A) Improve cognitive status by encouraging involvement in social activities.
B) Decrease social isolation by providing group therapies.
C) Promote dignity by providing comfort,safety,and self-care measures.
D) Facilitate communication by providing assistive devices.