Consider a graph of a production possibilities curve. If a producer is operating at an inefficient point, then that producer:

A.can produce more of one good without producing less of the other good.

B.cannot produce more of one good without giving up some of the other good.

C.must be specializing in activities for which it has a comparative advantage.

D.must be at an unattainable point on the production possibilities curve.

正确答案：can produce more of one good without producing less of the other good.