Answer:
A.The economy as a whole continues to grow between each business cycle.
Step-by-step explanation:
The steady growth line best supports the conclusion about the economy
represented in the graph is that "The economy as a whole continues to grow between each business cycle."
The above statement is true because the production output of the firm continues to rise with time. As time goes on in the business cycle of the firm, the firm continues to grow, which is evident in the increase in the level of production.