The answer is True, you don't want the blood to go the opposite way<span />
It takes resources when there are more animals it takes more food then when you run out of food you will have to buy more which you will run out of money its all about money without money animals will starve.
Your answer is takes resources.
I think all of these answers are good steps to a healthy decision but you had to choose one, I would choose B, you need to identify the situation before you can list your options or evaluate the decision or think about the consequences.