Changes in Total Factor Productivity Are Plausible Causes of Business

Changes in total factor productivity are plausible causes of business cycles because productivity-induced business cycles correctly predict

A) real wages and consumption must be procyclical.
B) consumption and total factor productivity must be procyclical.
C) total hours worked and consumption must be procyclical.
D) real wages and total hours must be procyclical.
E) consumption and government spending must be procyclical.