Answer:
They were transferred to facilities in Montana, New Mexico and North Dakota
Explanation:
In urban areas, there are more people, therefore not a lot of farmland. (that eliminates C) If city buildings don't allow flood waters to recede, that could be dangerous in many ways. (So A is still a reasonable answer) If most cities are built in flood zones, there should be some form of shelter if houses aren't safe. Pollutants and diseases being carried in water are already dangerous, but easier to spread with rapid flood waters that are sweeping everywhere. So your best answer would be either A or B.
B. plate tectonics your welcome
The asthenosphere and the lithosphere are parts of the Earth's geosphere. The correct answer is A.