Though Earth’s human population is increasing, it currently uses only ... ...

Though Earth’s human population is increasing, it currently uses only a relatively small fraction of the supply of fresh water. Thus, claims that water shortages will plague humankind in the near future unless population growth trends change are simply mistaken.

Which one of the following, if true, most seriously weakens the argument above?


(A) Population growth trends are notoriously hard to predict with reasonable accuracy.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in PT70 (Oct 2013): Logical Reasoning B