The correct answer would be b.
You want to test them on what they should know, and see if they are on the level they should be at.
Answer:
well you need to have money to buy stuff like tractors seeds watering items, you need money to raise the animals and herds, you need stuff like hay, windmills, and a lot of sun.
Explanation:
I believe that flashbacks could be used to slow the pace of a story. If you are telling one story, and then decide to introduce a flashback, that would only slow down the story you are already telling.