I believe your answer would be A- Farmers and urban dwellers.
Hope this helps. Correct me if I'm wrong.
C) This is the right answer.
<span>Es un planeta rocoso.</span>
There is a strong link between increased levels of education for females and lower fertility rates. That is, the higher the level of a woman's educational attainment, the fewer number of children she is likely to bear, and this effect is shown in countries and cultures around the world.