【单选题】Who takes care of the elderly in the United States today? The fact is that family members provide over 80% of the care that elderly people need. In most cases the elderly live in their own homes. A ve...
A.
lifestyles and responsibilities of the elderly are not changing
B.
most American couples over 40 have no living parents
C.
middle-aged Americans have to take care of their children and parents at the same time
D.
elderly people may need care for a long time because they live longer after an illness