If Individual People from China Have a Smaller Ecological Footprint

Multiple Choice

If individual people from China have a smaller ecological footprint than individual people from the United States of America,why is China's overall ecological footprint larger than that of the United States?

A) Laws in the United States have reduced its ecological footprint.
B) China has a significantly larger population that the United States.
C) The ecosystem of the United States is less developed than that of China.
D) China has only recently experienced an economic surge from industry.
E) China has fewer resources per individual than the United States.