Although Native Americans (NA) Can Access Services Through Indian Health

Although Native Americans (NA) can access services through Indian Health Services (IHS) , the problem with this arrangement is that

A) most NA live in rural areas and most of the IHS are situated in major urban areas.
B) most NA are unaware that the services exist.
C) most IHS are located on reservations and only 20% of NA live on reservations.
D) the IHS services provide medical but not mental health services.