Which one of the following most seriously undermines the conclusion of this argument?

A.The increasing amount of recycled material made available each year is equal to one-tenth of the increasing amount of natural material consumed annually.

B.Recent studies have shown that the number of endangered animals throughout the world fluctuates sharply and is chiefly determined by changes in meteorological conditions.

C.The logging industry contributes huge sums of money to political campaigns instates where it has a financial interest.

D.The techniques that make recycling possible are constantly improved so that more is reclaimed for lower costs each year.

E.Political contributions by the recycling industry are now greater than those of either the logging or animal protection interests.