Which of These Is the Best Way to Control Population

Which of these is the best way to control population growth rate in LDCs?

A) A good family planning program can help the growth rate decline even if the country is not yet industrialized
B) The less developed countries will always have a high growth rate with no accompanying problems so there is no need to do anything
C) The growth rate will decline only when the less developed countries are industrialized as much as the more developed countries
D) The less developed countries already have a low growth rate so there is no need to do anything
E) The growth rate of more developed countries contributes more to world population growth so we don't need to do anything with the population growth in LDCs