(Last Word) as a Result of the Great Recession of 2007-2009

(Last Word) As a result of the Great Recession of 2007-2009, illegal immigration to the United States

A) has increased dramatically.
B) fell significantly during the recession. Since the recession ended, however, illegal immigration has increased, and the illegal immigrant population is growing significantly again.
C) fell significantly, and the net flow of illegal immigrants following the recession has been close to zero.
D) fell significantly, and now there is a dramatic backflow that has the total number of illegal immigrants in the United States falling.