Bob has Alzheimer's disease. Currently, he requires some assistance managing everyday

affairs. He is unable to select clothes that are proper for the season or occasion. He is also
unable to recall the names and addresses of family members.

He shouldn't drive because he
forgets which pedal is for the brakes and which one is for the gas. He also forgets what traffic
lights and stop signs mean. Bob's Alzheimer's disease is at the ______ level of development.
a. early c. moderately severe
b. moderate d. severe

C