Reginald has Alzheimer's disease. He frequently forgets doctor's appointments and almost started a fire in his kitchen because he forgot something cooking on the stovetop. Recently, Reginald blamed his son for stealing his car keys when Reginald simply forgot where he put them. What phase of Alzheimer's disease is Reginald in?
A. Reginald is in the early phase of Alzheimer's disease.
B. Reginald's Alzheimer's disease has progressed beyond the early phases and he may no longer be able to care for himself.
C. Reginald's Alzheimer's disease has progressed to the point that he absolutely cannot care for himself and will need 24-hr assistance.
D. Reginald has reached the final phase of Alzheimer's disease.
Answer: A
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