Which of the Following Is the Most Typical Example of the Onset

Multiple Choice

Which of the following is the most typical example of the onset of Alzheimer's disease?

A) After Bill's death, Carol was never the same again.
B) When Yula's dementia became obvious, her family looked back on her behavior and realized that she had been exhibiting memory deficits.
C) Rachel has always suffered from mood disorders. When she descended into a state of dementia after her last manic episode, no one was surprised.
D) Christa began showing signs of forgetfulness after her last surgery.