In this case, the correct answer is:
A. savings and loan association
Savings and loan associations are financial institutions that use savings account deposits from their customers to provide home loans. These institutions specialize in offering home loans and mortgages, using the deposited funds to lend money to customers who want to buy a home or refinance an existing mortgage.
By utilizing the savings deposited by their customers, savings and loan associations play a crucial role in the housing market by providing funding for individuals to purchase homes. They are regulated financial institutions that help facilitate home ownership by offering mortgage loans at competitive rates based on the savings they accumulate from their account holders.