Which of the following cannot help to explain why many developing economics can have a faster GDP growth rate than in advanced economics?

A. Developing economies can adopt the technology developed by the advanced economies so that the productivities of the economy can increase more quickly, while advanced economies rely on research and development to slowly advance the frontier of the technology.

B. The average level of education is relatively low in developing countries and can have room to increase over time, while the average education level in the advanced economies is already high.

C. The population growth rate is generally higher in developing countries than in advanced countries.

D. People are richer to invest more in capital goods in the advanced economies than in developing economies.