Which of the Following Best Describes the Evolution of the Canadian

Which of the following best describes the evolution of the Canadian economy over the past decades?

A) Real GDP in 2012 was less than three times its level in 1970.
B) The output of goods and services grew on average about 1 percent per year from 1970 to 2012.
C) Real GDP was approximately constant over the past decades, only prices have increased.
D) Growth in real GDP has allowed an improvement in Canadians' standard of living.