Around 1972, When All of the Provinces Had Hospital and Medical

Around 1972, when all of the provinces had hospital and medical insurance plans in place, the provinces were the single payers of hospitals and of physicians, both of which ____.

A) enjoyed relative autonomy
B) were subject to federal control through the use of block grants
C) were subject to state ownership and control
D) were subject to federal control through the use of shared cost requirements