Table 1 shows the production possibilities of an island community. This community’s opportunity cost of producing 1 pound of fish ______.

A. is the increase in the quantity of berries gathered as the quantity of fish increases by 1 pound B. increases as the quantity of berries gathered increases C. is 10 pounds of berries if the quantity of fish increases from 2 to 3 pounds D. increases as the quantity of fish caught increases