<span>D.He uses the words "pest" and "everything short of" to ridicule the introduction of the new species.
Weisman clearly shows in this passage that he does not believe these species and plants should have been introduced into Central Park. He shows that one of the types of birds has become a pest, and was only put there because "someone thought the city would be more cultured". His tone is condescending throughout.</span>
Normally its the pleasure of doing so or they are just in need of something (i.e. robbing a bank-in need of money). Most people who do something wrong to get something they want do it for the thrill or the pleasure.
