Universal containers created a custom object called component to capture details about products sold. what approach should an app builder take to show component as a related list on product?

Universal containers created a custom object called component to capture details about products sold. what approach should an app builder take to show component as a related list on product?
A . Created junction object to relate component and product. Add the component related list to the product page layout.
B . Create a master-detail- relationship on product to component. Add the component related list to the product page layout.
C . Create a roll-up on product. Add the component related list to the product page layout.
D . Create a lookup relationship on component to product. Add the component related list to the product page layout.

Answer: A