On the Basis of Theory and Empirical Evidence Economists Have

On the basis of theory and empirical evidence economists have concluded several things concerning growth.Which of the following is not one of these conclusions?

A) A relatively simple way to increase growth rates permanently is to increase a country's saving rate.
B) Growth is generally inhibited rather than promoted by policies like protective tariffs.
C) Well-established property rights that are enforced by fair and efficient courts are important to economic growth.
D) Countries with few domestic natural resources still have opportunities for economic growth.