A has in his possession B s car. He sold it to C without the consent of B, but one day thereafter B sold the same car to B. Who is the owner of the car?

• A. B because the sale by A to C is void;
• B. C, because A s title which he acquired from B passed to C by operation of law;
• C. B because A could not have sold what he did not own;
• D. C because of estoppel.