Adam Smith Wrote, "It Is Not from the Benevolence of the Butcher

Adam Smith wrote, "It is not from the benevolence of the butcher, the brewer, or the baker, that we expect our dinner, but from their regard to their own interest." He meant that:

A) most of us no longer get our dinner directly from the butcher, the brewer, and the baker.
B) butchers, brewers, and bakers are not productive members of society.
C) high-interest payments mean that no one has to work anymore.
D) people work for the benefit of others because it benefits them to do so.