Which Is False Regarding the Issues Surrounding the Use of Colorado

Multiple Choice

Which is false regarding the issues surrounding the use of Colorado River water?

A) The 1999-2008 drought is more severe than any seen in the historical record.
B) The Colorado River system is at 50% of capacity.
C) It would take 13 winters with normal snow pack to "reset" the Colorado River system.
D) Arizona's population grew 200% from 1990-2007, while Las Vegas grew 490% from 1985-2007.
E) Recent efforts have focused exclusively on reducing demand for water.