What Was the Primary Reason Home Care Agencies Expanded So

What was the primary reason home care agencies expanded so drastically in the late 1960s and 1970s?

A) Hospitals chose to focus on providing care for more acutely ill clients.
B) Increased numbers of elderly and poor persons were eligible for care because of federal legislation.
C) Early discharges influenced the need for clients to receive home care services after hospitalization.
D) There was lack of interest by the American society to contribute to charitable causes.