Under what circumstances would the GDP deflator be less than 100 after the base year?

A.The GDP deflator will be less than 100 if there has been deflation since the base year.

B.There are no circumstances under which the GDP deflator could be less than 100?

C.The GDP deflator will be less than 100 if there has been inflation since the base year.

D.The GDP deflator will be less than 100 if inflation before the base year was higher than inflation after the base year.