What is the "French puzzle"?

	A.	French national governments rely on more central planning over time while most governments have reduced central planning and rely on more market capitalism.
	B.	France has relatively low union membership rates but more labor disturbances and strikes than other nations.
	C.	French people tend to be unhappier than residents of other nations who enjoy comparable levels of real per capita income.
	D.	Socialist governments in France have tended to support privatization of national industries.