Which of the Following Wouldhelp to Minimize Adverse Selection

Which of the following wouldhelp to minimize adverse selection?

A) Having a middleman or specialist to sell used products to consumers
B) Doing away with the down payment on a loan
C) Raising the price on a good or service,such as the interest rate on a loan
D) Eliminating the system of providing a collateral while taking a loan.
E) Eliminating the system of deductibles in health insurance.