Which Statement Was Coined by Adam Smith

Multiple Choice

Which statement was coined by Adam Smith?

A) By pursuing his own interest,he frequently promotes that of the society more effectually than when he really intends to promote it.
B) The factory owner,by paying his workers meager wages,is able to use this surplus to buy more capital goods.
C) The foundation of our economic system is socialist ownership of the means of production in the form of state property and collective farm and cooperative property.
D) None of these statements were coined by Adam Smith.