The Husband of a Patient with Alzheimer Disease (AD) Asks

The husband of a patient with Alzheimer disease (AD) asks the nurse to explain sundowning. How should the nurse respond to this question?

A) "Your wife can become more agitated, disoriented to time, and wander during the afternoon or early evening."
B) "Your wife's eyes will appear more downcast and the lids will droop."
C) "Repetition of words or phrases occurs more frequently."
D) "The ability to perform simple tasks is lost."