【单选题】Drought is a slow emergency. It does not swoop down out of the skies like a tornado or pull the earth apart like an earthquake. A drought of the kind the Eastern seaboard in the United States is suffe...
A.
drought is not an easy problem to solve.
B.
drought is chronic dryness over seasons.
C.
drought is caused by using water without any control.
D.
drought is the result of mild winters with little snow.