Which of the Following Statements Is True About Productivity Growth

Which of the following statements is true about productivity growth in the United States since the Great Recession?

A) The productivity growth rate has stagnated to about 3 percent per year.
B) The productivity growth rate fell to 0.4 percent from 2010 to 2015.
C) Productivity growth grew as new products, particularly Internet apps, were introduced.
D) Firms have lacked the capacity to meet consumer demand, causing measured productivity to fall.