Which Statement Best Summarizes the Invisible Hand Theorem

Which statement best summarizes the invisible hand theorem?

A) Government policies direct people's selfish desires (tempered by social and economic forces) to the common good.
B) Cultural norms direct people's selfish desires (tempered by political and economic forces) to the common good.
C) Markets direct people's selfish desires (tempered by political and social forces) to the common good.
D) Social, political, and economic forces act against people's selfish desires to promote the common good.