When a couple defaulted on their mortgage loan with a mortgage company, the lender foreclosed. The house was sold at auction, but the mortgage company did not receive enough money to cover the loan balance due and the costs of the foreclosure proceedings. The mortgage company may pursue the borrowers for recovery of these costs through
A)
a power-of-sale.
B)
a default judgment.
C)
an exculpatory clause.
D)
a deficiency judgment.