Workers in the United States Are_{--------------------}productive Than Workers in China

Workers in the United States are_{--------------------}productive than workers in China because _{--------------------}

A) more; workers in the United States have more capital per worker.
B) less; there are fewer workers in the United States.
C) more; there are more college-educated workers in the United States.
D) less; the labor force participation rate is lower in the United States.
E) equally as; China's real GDP per person equals the U.S. real GDP per person.