B. The Kreins are done having children. They currently have a home, but are looking to downsize. They also have enough money saved for a large down payment.
Explanation:
They have the best financial situation to be able to purchase a home.
The reason being that they are already done having children, and plan on downsizing. And they have enough money saved for a large down payment. All of those are important to be financially able to purchase a house.
