According to a Required Reading by P

According to a required reading by P.J. O'Rourke, which of the following statements is false?

A) the pesticide ddt may have done more good than harm in some countries before it was banned
B) despite their other problems, eastern european countries did a good job protecting the environment during the communist era
C) the costs of environmental regulation exceed their benefits
D) recycling is an economically inefficient way of reducing the human impact on the environment