A clerk at ellis island would be the definition in this picture
Answer: Scaffolding
Explanation:Scaffolding refers to the fact that parents can provide a structure that can assist children as they develop new skilss. The idea of this concept is that a framework or structure can help children learn new skills effectively especially those skills that are seems to be beyond those that they already have which may be difficult to crack when they don't alone. This means a parent plays a role in the development of their children which can even help them with social interaction. For example a parent can model out a problem that can arise during a play and resolve it along with the child to equip the child with proper skills to solve future conflicts.
B because when alternatives are cheaper and the consumer has little money, that matters more than the actual price of the good or service (A). C is wrong because we don’t know the price of the item and the income doesn’t matter. D is wrong because if you have limited money, your personal preferences will matter less.