An Older Adult Client Diagnosed as Being in the Early

An older adult client diagnosed as being in the early stage of Alzheimer's disease shares with the nurse that her sleep is interrupted by "the noises I hear all through the night." The nurse explains that the most likely reason for this problem is:

A) The client's age
B) A lack of presleep relaxation
C) The amount of noise entering into the client's environment
D) A manifestation of the disease process causing the brain disorder