The Consumption Possibilities Frontier Shows

The consumption possibilities frontier shows:

A) a nation's possible combinations of goods available as a result of specialization and exchange.
B) a nation's opportunity cost of producing different goods for consumption.
C) possible combinations of goods that residents of a nation consume at different income levels.
D) the difference between the most that consumers would pay for a good and the actual amount they pay.
E) a nation's possible combinations of how much of one good exchanges for another.