Which of the Following Is False

Which of the following is false?

A) Accepting a reduction in current income to acquire education and training can increase future earning ability, which can raise the standard of living.
B) Improvements in literacy stimulate economic growth by reducing barriers to the flow of information and raising labor productivity.
C) One problem of providing enough education in poorer countries is that since children in developing countries are an important part of the labor force at a young age, there is a higher opportunity cost of education in terms of foregone contribution to family income.
D) Investment alone does not guarantee economic growth per capita.
E) None of the above are false; all are true.