Under a real property sales contract, Buyer "A" makes a $2,000 down payment to Seller "B" on a property he had been renting. The agreement is filed with the county recorder. Subsequently, "A" moves to Florida, without making any further payments, and with no notice of his intentions being made to "B." Which of the following would be true?

a. Seller could resell the property and obtain a deficiency judgment against "A."
b. New buyer should not be concerned about the previous sales to "A."
c. "A's" activity has no effect upon the marketability of the property.
d. There would be a cloud on the title to the property.