Fernando,a Seventeen-Year-Old,signs a Contract to Sell His Car to Gusto

Fernando,a seventeen-year-old,signs a contract to sell his car to Gusto Used Autos.Fernando receives a better offer the next day from Hi-Valu Cars & Trucks,Inc.,and accepts the new offer.Fernando is

A) liable to Gusto and must sell it a car of comparable value.
B) liable to Gusto and must sell it his car.
C) not liable to Gusto because he is a minor.
D) not liable to Gusto because the sale of the car disaffirmed their deal.