It is A because if you were a hunter and gatherer you would be moving around looking for food to hunt and gather so you would have temporary homes different from if you were a farmer you would have a permanent home because you grow your own food and don’t have to move all around looking for food because you already grow everything.
Andres cannot go to the college because her family can't afford to pay for her, while Nick was not accepted to his college and the government would have paid for him to go.