Which of the Following Is an Example of a Conditional

Which of the following is an example of a conditional sale?

A) Black's Autos sells a car to Andy Delmore, with a term that ownership doesn't transfer until the last payment.
B) Black's Autos sells a car to Andy Delmore and Delmore gives Black's a lien on the car until the last payment is made.
C) Black's Auto leases a car to Andy Delmore who has the right to buy the car at the end of the lease.
D) Black's Autos sells a car to Andy Delmore with a term that Black's has a floating charge on the car.
E) Black's Autos sells a car to Andy Delmore and assigns the debt to a finance company.