In the in the News Article "The Lure of Catfish

In the In the News article "The Lure of Catfish" production of catfish has skyrocketed in the United States from 16 million pounds in 1975 to an expected 340 million pounds in 1989.The business is growing among farmers in Alabama,Arkansas,and Louisiana.Which of the following is the motive that enticed many farmers to give up the production of row crops to produce catfish?

A) Row crops are relatively more profitable than catfish.
B) Row crops necessarily have negative economic profits.
C) Catfish is relatively more profitable than row crops.
D) Catfish is easier to produce than row crops.