Why Were the Canadian Government Budget Deficits of the 1980s

Why were the Canadian government budget deficits of the 1980s and 1990s so unusual from a historical point of view?

A) It was the first time the Canadian government had ever run deficits.
B) In the past, deficits were usually that large only in wartime.
C) It was the first time that deficits were accompanied by very high rates of inflation.
D) It was the first time that deficits diverted funds from other productive uses, such as investment in modern equipment.