How Did the "Before and After Modernization" Explanation Account for the Changing

How did the "before and after modernization" explanation account for the changing status of elderly people?

A) Older adults lost power and status because they no longer played essential roles and were no longer the primary source of knowledge.
B) Since adult children lived in the family home, some believed they could afford better health care.
C) Older adults lost power and status even in societies where they continued to perform valued functions.
D) Older people gained power and status in all societies because they had fewer children.